1688123520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:240

約数の個数: 288

約数和(自身を含む): 6054874020

約数和(自身を除く): 4366750500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 89, 90, 96, 111, 120, 128, 144, 148, 160, 178, 180, 185, 192, 222, 240, 267, 288, 296, 320, 333, 356, 360, 370, 384, 444, 445, 480, 534, 555, 576, 592, 640, 666, 712, 720, 740, 801, 888, 890, 960, 1068, 1110, 1152, 1184, 1332, 1335, 1424, 1440, 1480, 1602, 1665, 1776, 1780, 1920, 2136, 2220, 2368, 2664, 2670, 2848, 2880, 2960, 3204, 3293, 3330, 3552, 3560, 4005, 4272, 4440, 4736, 5328, 5340, 5696, 5760, 5920, 6408, 6586, 6660, 7104, 7120, 7921, 8010, 8544, 8880, 9879, 10656, 10680, 11392, 11840, 12816, 13172, 13320, 14208, 14240, 15842, 16020, 16465, 17088, 17760, 19758, 21312, 21360, 23680, 23763, 25632, 26344, 26640, 28480, 29637, 31684, 32040, 32930, 34176, 35520, 39516, 39605, 42624, 42720, 47526, 49395, 51264, 52688, 53280, 56960, 59274, 63368, 64080, 65860, 71040, 71289, 79032, 79210, 85440, 95052, 98790, 102528, 105376, 106560, 118548, 118815, 126736, 128160, 131720, 142578, 148185, 158064, 158420, 170880, 190104, 197580, 210752, 213120, 237096, 237630, 253472, 256320, 263440, 285156, 293077, 296370, 316128, 316840, 356445, 380208, 395160, 421504, 474192, 475260, 506944, 512640, 526880, 570312, 586154, 592740, 632256, 633680, 712890, 760416, 790320, 879231, 948384, 950520, 1013888, 1053760, 1140624, 1172308, 1185480, 1264512, 1267360, 1425780, 1465385, 1520832, 1580640, 1758462, 1896768, 1901040, 2107520, 2281248, 2344616, 2370960, 2534720, 2637693, 2851560, 2930770, 3041664, 3161280, 3516924, 3793536, 3802080, 4396155, 4562496, 4689232, 4741920, 5069440, 5275386, 5703120, 5861540, 6322560, 7033848, 7604160, 8792310, 9124992, 9378464, 9483840, 10550772, 11406240, 11723080, 13188465, 14067696, 15208320, 17584620, 18756928, 18967680, 21101544, 22812480, 23446160, 26376930, 28135392, 35169240, 37513856, 42203088, 45624960, 46892320, 52753860, 56270784, 70338480, 84406176, 93784640, 105507720, 112541568, 140676960, 168812352, 187569280, 211015440, 281353920, 337624704, 422030880, 562707840, 844061760, 1688123520]

約数ペア:

[(1, 1688123520), (2, 844061760), (3, 562707840), (4, 422030880), (5, 337624704), (6, 281353920), (8, 211015440), (9, 187569280), (10, 168812352), (12, 140676960), (15, 112541568), (16, 105507720), (18, 93784640), (20, 84406176), (24, 70338480), (30, 56270784), (32, 52753860), (36, 46892320), (37, 45624960), (40, 42203088), (45, 37513856), (48, 35169240), (60, 28135392), (64, 26376930), (72, 23446160), (74, 22812480), (80, 21101544), (89, 18967680), (90, 18756928), (96, 17584620), (111, 15208320), (120, 14067696), (128, 13188465), (144, 11723080), (148, 11406240), (160, 10550772), (178, 9483840), (180, 9378464), (185, 9124992), (192, 8792310), (222, 7604160), (240, 7033848), (267, 6322560), (288, 5861540), (296, 5703120), (320, 5275386), (333, 5069440), (356, 4741920), (360, 4689232), (370, 4562496), (384, 4396155), (444, 3802080), (445, 3793536), (480, 3516924), (534, 3161280), (555, 3041664), (576, 2930770), (592, 2851560), (640, 2637693), (666, 2534720), (712, 2370960), (720, 2344616), (740, 2281248), (801, 2107520), (888, 1901040), (890, 1896768), (960, 1758462), (1068, 1580640), (1110, 1520832), (1152, 1465385), (1184, 1425780), (1332, 1267360), (1335, 1264512), (1424, 1185480), (1440, 1172308), (1480, 1140624), (1602, 1053760), (1665, 1013888), (1776, 950520), (1780, 948384), (1920, 879231), (2136, 790320), (2220, 760416), (2368, 712890), (2664, 633680), (2670, 632256), (2848, 592740), (2880, 586154), (2960, 570312), (3204, 526880), (3293, 512640), (3330, 506944), (3552, 475260), (3560, 474192), (4005, 421504), (4272, 395160), (4440, 380208), (4736, 356445), (5328, 316840), (5340, 316128), (5696, 296370), (5760, 293077), (5920, 285156), (6408, 263440), (6586, 256320), (6660, 253472), (7104, 237630), (7120, 237096), (7921, 213120), (8010, 210752), (8544, 197580), (8880, 190104), (9879, 170880), (10656, 158420), (10680, 158064), (11392, 148185), (11840, 142578), (12816, 131720), (13172, 128160), (13320, 126736), (14208, 118815), (14240, 118548), (15842, 106560), (16020, 105376), (16465, 102528), (17088, 98790), (17760, 95052), (19758, 85440), (21312, 79210), (21360, 79032), (23680, 71289), (23763, 71040), (25632, 65860), (26344, 64080), (26640, 63368), (28480, 59274), (29637, 56960), (31684, 53280), (32040, 52688), (32930, 51264), (34176, 49395), (35520, 47526), (39516, 42720), (39605, 42624)]