490178640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1031}}^1$

素因数の和:1337

約数の個数: 160

約数和(自身を含む): 1744459776

約数和(自身を除く): 1254281136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 283, 336, 420, 560, 566, 840, 849, 1031, 1132, 1415, 1680, 1698, 1981, 2062, 2264, 2830, 3093, 3396, 3962, 4124, 4245, 4528, 5155, 5660, 5943, 6186, 6792, 7217, 7924, 8248, 8490, 9905, 10310, 11320, 11886, 12372, 13584, 14434, 15465, 15848, 16496, 16980, 19810, 20620, 21651, 22640, 23772, 24744, 28868, 29715, 30930, 31696, 33960, 36085, 39620, 41240, 43302, 47544, 49488, 57736, 59430, 61860, 67920, 72170, 79240, 82480, 86604, 95088, 108255, 115472, 118860, 123720, 144340, 158480, 173208, 216510, 237720, 247440, 288680, 291773, 346416, 433020, 475440, 577360, 583546, 866040, 875319, 1167092, 1458865, 1732080, 1750638, 2042411, 2334184, 2917730, 3501276, 4084822, 4376595, 4668368, 5835460, 6127233, 7002552, 8169644, 8753190, 10212055, 11670920, 12254466, 14005104, 16339288, 17506380, 20424110, 23341840, 24508932, 30636165, 32678576, 35012760, 40848220, 49017864, 61272330, 70025520, 81696440, 98035728, 122544660, 163392880, 245089320, 490178640]

約数ペア:

[(1, 490178640), (2, 245089320), (3, 163392880), (4, 122544660), (5, 98035728), (6, 81696440), (7, 70025520), (8, 61272330), (10, 49017864), (12, 40848220), (14, 35012760), (15, 32678576), (16, 30636165), (20, 24508932), (21, 23341840), (24, 20424110), (28, 17506380), (30, 16339288), (35, 14005104), (40, 12254466), (42, 11670920), (48, 10212055), (56, 8753190), (60, 8169644), (70, 7002552), (80, 6127233), (84, 5835460), (105, 4668368), (112, 4376595), (120, 4084822), (140, 3501276), (168, 2917730), (210, 2334184), (240, 2042411), (280, 1750638), (283, 1732080), (336, 1458865), (420, 1167092), (560, 875319), (566, 866040), (840, 583546), (849, 577360), (1031, 475440), (1132, 433020), (1415, 346416), (1680, 291773), (1698, 288680), (1981, 247440), (2062, 237720), (2264, 216510), (2830, 173208), (3093, 158480), (3396, 144340), (3962, 123720), (4124, 118860), (4245, 115472), (4528, 108255), (5155, 95088), (5660, 86604), (5943, 82480), (6186, 79240), (6792, 72170), (7217, 67920), (7924, 61860), (8248, 59430), (8490, 57736), (9905, 49488), (10310, 47544), (11320, 43302), (11886, 41240), (12372, 39620), (13584, 36085), (14434, 33960), (15465, 31696), (15848, 30930), (16496, 29715), (16980, 28868), (19810, 24744), (20620, 23772), (21651, 22640)]