640538080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:142

約数の個数: 384

約数和(自身を含む): 2027047680

約数和(自身を除く): 1386509600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 37, 40, 41, 52, 56, 58, 65, 70, 74, 80, 82, 91, 104, 112, 116, 130, 140, 145, 148, 160, 164, 182, 185, 203, 205, 208, 224, 232, 259, 260, 280, 287, 290, 296, 328, 364, 370, 377, 406, 410, 416, 455, 464, 481, 518, 520, 533, 560, 574, 580, 592, 656, 728, 740, 754, 812, 820, 910, 928, 962, 1015, 1036, 1040, 1066, 1073, 1120, 1148, 1160, 1184, 1189, 1295, 1312, 1435, 1456, 1480, 1508, 1517, 1624, 1640, 1820, 1885, 1924, 2030, 2072, 2080, 2132, 2146, 2296, 2320, 2378, 2405, 2590, 2639, 2665, 2870, 2912, 2960, 3016, 3034, 3248, 3280, 3367, 3640, 3731, 3770, 3848, 4060, 4144, 4264, 4292, 4592, 4640, 4756, 4810, 5180, 5278, 5330, 5365, 5740, 5920, 5945, 6032, 6068, 6496, 6560, 6734, 7280, 7462, 7511, 7540, 7585, 7696, 8120, 8288, 8323, 8528, 8584, 9184, 9512, 9620, 10360, 10556, 10619, 10660, 10730, 11480, 11890, 12064, 12136, 13195, 13468, 13949, 14560, 14924, 15022, 15080, 15170, 15392, 15457, 16240, 16646, 16835, 17056, 17168, 18655, 19024, 19240, 19721, 20720, 21112, 21238, 21320, 21460, 22960, 23780, 24272, 26390, 26936, 27898, 29848, 30044, 30160, 30340, 30914, 32480, 33292, 33670, 34336, 37310, 37555, 38048, 38480, 39442, 41440, 41615, 42224, 42476, 42640, 42920, 43993, 45920, 47560, 48544, 52780, 53095, 53872, 55796, 59696, 60088, 60320, 60680, 61828, 66584, 67340, 69745, 74620, 75110, 76960, 77285, 78884, 83230, 84448, 84952, 85280, 85840, 87986, 95120, 97643, 98605, 105560, 106190, 107744, 108199, 111592, 119392, 120176, 121360, 123656, 133168, 134680, 138047, 139490, 149240, 150220, 154570, 157768, 166460, 169904, 171680, 175972, 190240, 195286, 197210, 211120, 212380, 216398, 219965, 223184, 240352, 242720, 247312, 266336, 269360, 276094, 278980, 298480, 300440, 307951, 309140, 315536, 332920, 339808, 351944, 390572, 394420, 422240, 424760, 432796, 439930, 446368, 488215, 494624, 538720, 540995, 552188, 557960, 571909, 596960, 600880, 615902, 618280, 631072, 665840, 690235, 703888, 781144, 788840, 849520, 865592, 879860, 976430, 1081990, 1104376, 1115920, 1143818, 1201760, 1231804, 1236560, 1331680, 1380470, 1407776, 1539755, 1562288, 1577680, 1699040, 1731184, 1759720, 1952860, 2163980, 2208752, 2231840, 2287636, 2463608, 2473120, 2760940, 2859545, 3079510, 3124576, 3155360, 3462368, 3519440, 3905720, 4003363, 4327960, 4417504, 4575272, 4927216, 5521880, 5719090, 6159020, 7038880, 7811440, 8006726, 8655920, 9150544, 9854432, 11043760, 11438180, 12318040, 15622880, 16013452, 17311840, 18301088, 20016815, 22087520, 22876360, 24636080, 32026904, 40033630, 45752720, 49272160, 64053808, 80067260, 91505440, 128107616, 160134520, 320269040, 640538080]

約数ペア:

[(1, 640538080), (2, 320269040), (4, 160134520), (5, 128107616), (7, 91505440), (8, 80067260), (10, 64053808), (13, 49272160), (14, 45752720), (16, 40033630), (20, 32026904), (26, 24636080), (28, 22876360), (29, 22087520), (32, 20016815), (35, 18301088), (37, 17311840), (40, 16013452), (41, 15622880), (52, 12318040), (56, 11438180), (58, 11043760), (65, 9854432), (70, 9150544), (74, 8655920), (80, 8006726), (82, 7811440), (91, 7038880), (104, 6159020), (112, 5719090), (116, 5521880), (130, 4927216), (140, 4575272), (145, 4417504), (148, 4327960), (160, 4003363), (164, 3905720), (182, 3519440), (185, 3462368), (203, 3155360), (205, 3124576), (208, 3079510), (224, 2859545), (232, 2760940), (259, 2473120), (260, 2463608), (280, 2287636), (287, 2231840), (290, 2208752), (296, 2163980), (328, 1952860), (364, 1759720), (370, 1731184), (377, 1699040), (406, 1577680), (410, 1562288), (416, 1539755), (455, 1407776), (464, 1380470), (481, 1331680), (518, 1236560), (520, 1231804), (533, 1201760), (560, 1143818), (574, 1115920), (580, 1104376), (592, 1081990), (656, 976430), (728, 879860), (740, 865592), (754, 849520), (812, 788840), (820, 781144), (910, 703888), (928, 690235), (962, 665840), (1015, 631072), (1036, 618280), (1040, 615902), (1066, 600880), (1073, 596960), (1120, 571909), (1148, 557960), (1160, 552188), (1184, 540995), (1189, 538720), (1295, 494624), (1312, 488215), (1435, 446368), (1456, 439930), (1480, 432796), (1508, 424760), (1517, 422240), (1624, 394420), (1640, 390572), (1820, 351944), (1885, 339808), (1924, 332920), (2030, 315536), (2072, 309140), (2080, 307951), (2132, 300440), (2146, 298480), (2296, 278980), (2320, 276094), (2378, 269360), (2405, 266336), (2590, 247312), (2639, 242720), (2665, 240352), (2870, 223184), (2912, 219965), (2960, 216398), (3016, 212380), (3034, 211120), (3248, 197210), (3280, 195286), (3367, 190240), (3640, 175972), (3731, 171680), (3770, 169904), (3848, 166460), (4060, 157768), (4144, 154570), (4264, 150220), (4292, 149240), (4592, 139490), (4640, 138047), (4756, 134680), (4810, 133168), (5180, 123656), (5278, 121360), (5330, 120176), (5365, 119392), (5740, 111592), (5920, 108199), (5945, 107744), (6032, 106190), (6068, 105560), (6496, 98605), (6560, 97643), (6734, 95120), (7280, 87986), (7462, 85840), (7511, 85280), (7540, 84952), (7585, 84448), (7696, 83230), (8120, 78884), (8288, 77285), (8323, 76960), (8528, 75110), (8584, 74620), (9184, 69745), (9512, 67340), (9620, 66584), (10360, 61828), (10556, 60680), (10619, 60320), (10660, 60088), (10730, 59696), (11480, 55796), (11890, 53872), (12064, 53095), (12136, 52780), (13195, 48544), (13468, 47560), (13949, 45920), (14560, 43993), (14924, 42920), (15022, 42640), (15080, 42476), (15170, 42224), (15392, 41615), (15457, 41440), (16240, 39442), (16646, 38480), (16835, 38048), (17056, 37555), (17168, 37310), (18655, 34336), (19024, 33670), (19240, 33292), (19721, 32480), (20720, 30914), (21112, 30340), (21238, 30160), (21320, 30044), (21460, 29848), (22960, 27898), (23780, 26936), (24272, 26390)]