256839960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 256

約数和(自身を含む): 882524160

約数和(自身を除く): 625684200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 47, 52, 60, 62, 65, 78, 93, 94, 104, 113, 120, 124, 130, 141, 155, 156, 186, 188, 195, 226, 235, 248, 260, 282, 310, 312, 339, 372, 376, 390, 403, 452, 465, 470, 520, 564, 565, 611, 620, 678, 705, 744, 780, 806, 904, 930, 940, 1128, 1130, 1209, 1222, 1240, 1356, 1410, 1457, 1469, 1560, 1612, 1695, 1833, 1860, 1880, 2015, 2260, 2418, 2444, 2712, 2820, 2914, 2938, 3055, 3224, 3390, 3503, 3666, 3720, 4030, 4371, 4407, 4520, 4836, 4888, 5311, 5640, 5828, 5876, 6045, 6110, 6780, 7006, 7285, 7332, 7345, 8060, 8742, 8814, 9165, 9672, 10509, 10622, 11656, 11752, 12090, 12220, 13560, 14012, 14570, 14664, 14690, 15933, 16120, 17484, 17515, 17628, 18330, 18941, 21018, 21244, 21855, 22035, 24180, 24440, 26555, 28024, 29140, 29380, 31866, 34968, 35030, 35256, 36660, 37882, 42036, 42488, 43710, 44070, 45539, 48360, 52545, 53110, 56823, 58280, 58760, 63732, 69043, 70060, 73320, 75764, 79665, 84072, 87420, 88140, 91078, 94705, 105090, 106220, 113646, 127464, 136617, 138086, 140120, 151528, 159330, 164641, 174840, 176280, 182156, 189410, 207129, 210180, 212440, 227292, 227695, 273234, 276172, 284115, 318660, 329282, 345215, 364312, 378820, 414258, 420360, 454584, 455390, 493923, 546468, 552344, 568230, 637320, 658564, 683085, 690430, 757640, 823205, 828516, 910780, 987846, 1035645, 1092936, 1136460, 1317128, 1366170, 1380860, 1646410, 1657032, 1821560, 1975692, 2071290, 2140333, 2272920, 2469615, 2732340, 2761720, 3292820, 3951384, 4142580, 4280666, 4939230, 5464680, 6420999, 6585640, 8285160, 8561332, 9878460, 10701665, 12841998, 17122664, 19756920, 21403330, 25683996, 32104995, 42806660, 51367992, 64209990, 85613320, 128419980, 256839960]

約数ペア:

[(1, 256839960), (2, 128419980), (3, 85613320), (4, 64209990), (5, 51367992), (6, 42806660), (8, 32104995), (10, 25683996), (12, 21403330), (13, 19756920), (15, 17122664), (20, 12841998), (24, 10701665), (26, 9878460), (30, 8561332), (31, 8285160), (39, 6585640), (40, 6420999), (47, 5464680), (52, 4939230), (60, 4280666), (62, 4142580), (65, 3951384), (78, 3292820), (93, 2761720), (94, 2732340), (104, 2469615), (113, 2272920), (120, 2140333), (124, 2071290), (130, 1975692), (141, 1821560), (155, 1657032), (156, 1646410), (186, 1380860), (188, 1366170), (195, 1317128), (226, 1136460), (235, 1092936), (248, 1035645), (260, 987846), (282, 910780), (310, 828516), (312, 823205), (339, 757640), (372, 690430), (376, 683085), (390, 658564), (403, 637320), (452, 568230), (465, 552344), (470, 546468), (520, 493923), (564, 455390), (565, 454584), (611, 420360), (620, 414258), (678, 378820), (705, 364312), (744, 345215), (780, 329282), (806, 318660), (904, 284115), (930, 276172), (940, 273234), (1128, 227695), (1130, 227292), (1209, 212440), (1222, 210180), (1240, 207129), (1356, 189410), (1410, 182156), (1457, 176280), (1469, 174840), (1560, 164641), (1612, 159330), (1695, 151528), (1833, 140120), (1860, 138086), (1880, 136617), (2015, 127464), (2260, 113646), (2418, 106220), (2444, 105090), (2712, 94705), (2820, 91078), (2914, 88140), (2938, 87420), (3055, 84072), (3224, 79665), (3390, 75764), (3503, 73320), (3666, 70060), (3720, 69043), (4030, 63732), (4371, 58760), (4407, 58280), (4520, 56823), (4836, 53110), (4888, 52545), (5311, 48360), (5640, 45539), (5828, 44070), (5876, 43710), (6045, 42488), (6110, 42036), (6780, 37882), (7006, 36660), (7285, 35256), (7332, 35030), (7345, 34968), (8060, 31866), (8742, 29380), (8814, 29140), (9165, 28024), (9672, 26555), (10509, 24440), (10622, 24180), (11656, 22035), (11752, 21855), (12090, 21244), (12220, 21018), (13560, 18941), (14012, 18330), (14570, 17628), (14664, 17515), (14690, 17484), (15933, 16120)]