638328240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 360

約数和(自身を含む): 2500714944

約数和(自身を除く): 1862386704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 110, 120, 121, 132, 136, 144, 153, 165, 170, 176, 180, 187, 198, 204, 220, 240, 242, 255, 264, 272, 306, 330, 340, 360, 363, 374, 396, 408, 431, 440, 484, 495, 510, 528, 561, 605, 612, 660, 680, 720, 726, 748, 765, 792, 816, 862, 880, 935, 968, 990, 1020, 1089, 1122, 1210, 1224, 1293, 1320, 1360, 1452, 1496, 1530, 1584, 1683, 1724, 1815, 1870, 1936, 1980, 2040, 2057, 2155, 2178, 2244, 2420, 2448, 2586, 2640, 2805, 2904, 2992, 3060, 3366, 3448, 3630, 3740, 3879, 3960, 4080, 4114, 4310, 4356, 4488, 4741, 4840, 5172, 5445, 5610, 5808, 6120, 6171, 6465, 6732, 6896, 7260, 7327, 7480, 7758, 7920, 8228, 8415, 8620, 8712, 8976, 9482, 9680, 10285, 10344, 10890, 11220, 12240, 12342, 12930, 13464, 14223, 14520, 14654, 14960, 15516, 16456, 16830, 17240, 17424, 18513, 18964, 19395, 20570, 20688, 21780, 21981, 22440, 23705, 24684, 25860, 26928, 28446, 29040, 29308, 30855, 31032, 32912, 33660, 34480, 36635, 37026, 37928, 38790, 41140, 42669, 43560, 43962, 44880, 47410, 49368, 51720, 52151, 56892, 58616, 61710, 62064, 65943, 67320, 71115, 73270, 74052, 75856, 77580, 80597, 82280, 85338, 87120, 87924, 92565, 94820, 98736, 103440, 104302, 109905, 113784, 117232, 123420, 131886, 134640, 142230, 146540, 148104, 155160, 156453, 161194, 164560, 170676, 175848, 185130, 189640, 208604, 213345, 219810, 227568, 241791, 246840, 260755, 263772, 284460, 293080, 296208, 310320, 312906, 322388, 329715, 341352, 351696, 370260, 379280, 402985, 417208, 426690, 439620, 469359, 483582, 493680, 521510, 527544, 568920, 586160, 625812, 644776, 659430, 682704, 725373, 740520, 782265, 805970, 834416, 853380, 879240, 886567, 938718, 967164, 1043020, 1055088, 1137840, 1208955, 1251624, 1289552, 1318860, 1450746, 1481040, 1564530, 1611940, 1706760, 1758480, 1773134, 1877436, 1934328, 2086040, 2346795, 2417910, 2503248, 2637720, 2659701, 2901492, 3129060, 3223880, 3413520, 3546268, 3626865, 3754872, 3868656, 4172080, 4432835, 4693590, 4835820, 5275440, 5319402, 5802984, 6258120, 6447760, 7092536, 7253730, 7509744, 7979103, 8865670, 9387180, 9671640, 10638804, 11605968, 12516240, 13298505, 14185072, 14507460, 15958206, 17731340, 18774360, 19343280, 21277608, 26597010, 29014920, 31916412, 35462680, 37548720, 39895515, 42555216, 53194020, 58029840, 63832824, 70925360, 79791030, 106388040, 127665648, 159582060, 212776080, 319164120, 638328240]

約数ペア:

[(1, 638328240), (2, 319164120), (3, 212776080), (4, 159582060), (5, 127665648), (6, 106388040), (8, 79791030), (9, 70925360), (10, 63832824), (11, 58029840), (12, 53194020), (15, 42555216), (16, 39895515), (17, 37548720), (18, 35462680), (20, 31916412), (22, 29014920), (24, 26597010), (30, 21277608), (33, 19343280), (34, 18774360), (36, 17731340), (40, 15958206), (44, 14507460), (45, 14185072), (48, 13298505), (51, 12516240), (55, 11605968), (60, 10638804), (66, 9671640), (68, 9387180), (72, 8865670), (80, 7979103), (85, 7509744), (88, 7253730), (90, 7092536), (99, 6447760), (102, 6258120), (110, 5802984), (120, 5319402), (121, 5275440), (132, 4835820), (136, 4693590), (144, 4432835), (153, 4172080), (165, 3868656), (170, 3754872), (176, 3626865), (180, 3546268), (187, 3413520), (198, 3223880), (204, 3129060), (220, 2901492), (240, 2659701), (242, 2637720), (255, 2503248), (264, 2417910), (272, 2346795), (306, 2086040), (330, 1934328), (340, 1877436), (360, 1773134), (363, 1758480), (374, 1706760), (396, 1611940), (408, 1564530), (431, 1481040), (440, 1450746), (484, 1318860), (495, 1289552), (510, 1251624), (528, 1208955), (561, 1137840), (605, 1055088), (612, 1043020), (660, 967164), (680, 938718), (720, 886567), (726, 879240), (748, 853380), (765, 834416), (792, 805970), (816, 782265), (862, 740520), (880, 725373), (935, 682704), (968, 659430), (990, 644776), (1020, 625812), (1089, 586160), (1122, 568920), (1210, 527544), (1224, 521510), (1293, 493680), (1320, 483582), (1360, 469359), (1452, 439620), (1496, 426690), (1530, 417208), (1584, 402985), (1683, 379280), (1724, 370260), (1815, 351696), (1870, 341352), (1936, 329715), (1980, 322388), (2040, 312906), (2057, 310320), (2155, 296208), (2178, 293080), (2244, 284460), (2420, 263772), (2448, 260755), (2586, 246840), (2640, 241791), (2805, 227568), (2904, 219810), (2992, 213345), (3060, 208604), (3366, 189640), (3448, 185130), (3630, 175848), (3740, 170676), (3879, 164560), (3960, 161194), (4080, 156453), (4114, 155160), (4310, 148104), (4356, 146540), (4488, 142230), (4741, 134640), (4840, 131886), (5172, 123420), (5445, 117232), (5610, 113784), (5808, 109905), (6120, 104302), (6171, 103440), (6465, 98736), (6732, 94820), (6896, 92565), (7260, 87924), (7327, 87120), (7480, 85338), (7758, 82280), (7920, 80597), (8228, 77580), (8415, 75856), (8620, 74052), (8712, 73270), (8976, 71115), (9482, 67320), (9680, 65943), (10285, 62064), (10344, 61710), (10890, 58616), (11220, 56892), (12240, 52151), (12342, 51720), (12930, 49368), (13464, 47410), (14223, 44880), (14520, 43962), (14654, 43560), (14960, 42669), (15516, 41140), (16456, 38790), (16830, 37928), (17240, 37026), (17424, 36635), (18513, 34480), (18964, 33660), (19395, 32912), (20570, 31032), (20688, 30855), (21780, 29308), (21981, 29040), (22440, 28446), (23705, 26928), (24684, 25860)]