256370880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:743

約数の個数: 224

約数和(自身を含む): 900647424

約数和(自身を除く): 644276544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 32, 34, 40, 46, 48, 51, 60, 64, 68, 69, 80, 85, 92, 96, 102, 115, 120, 136, 138, 160, 170, 184, 192, 204, 230, 240, 255, 272, 276, 320, 340, 345, 368, 391, 408, 460, 480, 510, 544, 552, 680, 683, 690, 736, 782, 816, 920, 960, 1020, 1088, 1104, 1173, 1360, 1366, 1380, 1472, 1564, 1632, 1840, 1955, 2040, 2049, 2208, 2346, 2720, 2732, 2760, 3128, 3264, 3415, 3680, 3910, 4080, 4098, 4416, 4692, 5440, 5464, 5520, 5865, 6256, 6830, 7360, 7820, 8160, 8196, 9384, 10245, 10928, 11040, 11611, 11730, 12512, 13660, 15640, 15709, 16320, 16392, 18768, 20490, 21856, 22080, 23222, 23460, 25024, 27320, 31280, 31418, 32784, 34833, 37536, 40980, 43712, 46444, 46920, 47127, 54640, 58055, 62560, 62836, 65568, 69666, 75072, 78545, 81960, 92888, 93840, 94254, 109280, 116110, 125120, 125672, 131136, 139332, 157090, 163920, 174165, 185776, 187680, 188508, 218560, 232220, 235635, 251344, 267053, 278664, 314180, 327840, 348330, 371552, 375360, 377016, 464440, 471270, 502688, 534106, 557328, 628360, 655680, 696660, 743104, 754032, 801159, 928880, 942540, 1005376, 1068212, 1114656, 1256720, 1335265, 1393320, 1508064, 1602318, 1857760, 1885080, 2136424, 2229312, 2513440, 2670530, 2786640, 3016128, 3204636, 3715520, 3770160, 4005795, 4272848, 5026880, 5341060, 5573280, 6409272, 7540320, 8011590, 8545696, 10682120, 11146560, 12818544, 15080640, 16023180, 17091392, 21364240, 25637088, 32046360, 42728480, 51274176, 64092720, 85456960, 128185440, 256370880]

約数ペア:

[(1, 256370880), (2, 128185440), (3, 85456960), (4, 64092720), (5, 51274176), (6, 42728480), (8, 32046360), (10, 25637088), (12, 21364240), (15, 17091392), (16, 16023180), (17, 15080640), (20, 12818544), (23, 11146560), (24, 10682120), (30, 8545696), (32, 8011590), (34, 7540320), (40, 6409272), (46, 5573280), (48, 5341060), (51, 5026880), (60, 4272848), (64, 4005795), (68, 3770160), (69, 3715520), (80, 3204636), (85, 3016128), (92, 2786640), (96, 2670530), (102, 2513440), (115, 2229312), (120, 2136424), (136, 1885080), (138, 1857760), (160, 1602318), (170, 1508064), (184, 1393320), (192, 1335265), (204, 1256720), (230, 1114656), (240, 1068212), (255, 1005376), (272, 942540), (276, 928880), (320, 801159), (340, 754032), (345, 743104), (368, 696660), (391, 655680), (408, 628360), (460, 557328), (480, 534106), (510, 502688), (544, 471270), (552, 464440), (680, 377016), (683, 375360), (690, 371552), (736, 348330), (782, 327840), (816, 314180), (920, 278664), (960, 267053), (1020, 251344), (1088, 235635), (1104, 232220), (1173, 218560), (1360, 188508), (1366, 187680), (1380, 185776), (1472, 174165), (1564, 163920), (1632, 157090), (1840, 139332), (1955, 131136), (2040, 125672), (2049, 125120), (2208, 116110), (2346, 109280), (2720, 94254), (2732, 93840), (2760, 92888), (3128, 81960), (3264, 78545), (3415, 75072), (3680, 69666), (3910, 65568), (4080, 62836), (4098, 62560), (4416, 58055), (4692, 54640), (5440, 47127), (5464, 46920), (5520, 46444), (5865, 43712), (6256, 40980), (6830, 37536), (7360, 34833), (7820, 32784), (8160, 31418), (8196, 31280), (9384, 27320), (10245, 25024), (10928, 23460), (11040, 23222), (11611, 22080), (11730, 21856), (12512, 20490), (13660, 18768), (15640, 16392), (15709, 16320)]