128495640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 494983440

約数和(自身を除く): 366487800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 41, 42, 49, 52, 56, 60, 65, 70, 78, 82, 84, 91, 98, 104, 105, 120, 123, 130, 140, 147, 156, 164, 168, 182, 195, 196, 205, 210, 245, 246, 260, 273, 280, 287, 294, 312, 328, 364, 390, 392, 410, 420, 455, 490, 492, 520, 533, 546, 574, 588, 615, 637, 728, 735, 780, 820, 840, 861, 910, 980, 984, 1066, 1092, 1148, 1176, 1230, 1274, 1365, 1435, 1470, 1560, 1599, 1640, 1681, 1722, 1820, 1911, 1960, 2009, 2132, 2184, 2296, 2460, 2548, 2665, 2730, 2870, 2940, 3185, 3198, 3362, 3444, 3640, 3731, 3822, 4018, 4264, 4305, 4920, 5043, 5096, 5330, 5460, 5740, 5880, 6027, 6370, 6396, 6724, 6888, 7462, 7644, 7995, 8036, 8405, 8610, 9555, 10045, 10086, 10660, 10920, 11193, 11480, 11767, 12054, 12740, 12792, 13448, 14924, 15288, 15990, 16072, 16810, 17220, 18655, 19110, 20090, 20172, 21320, 21853, 22386, 23534, 24108, 25215, 25480, 26117, 29848, 30135, 31980, 33620, 34440, 35301, 37310, 38220, 40180, 40344, 43706, 44772, 47068, 48216, 50430, 52234, 55965, 58835, 60270, 63960, 65559, 67240, 70602, 74620, 76440, 78351, 80360, 82369, 87412, 89544, 94136, 100860, 104468, 109265, 111930, 117670, 120540, 130585, 131118, 141204, 149240, 152971, 156702, 164738, 174824, 176505, 201720, 208936, 218530, 223860, 235340, 241080, 247107, 261170, 262236, 282408, 305942, 313404, 327795, 329476, 353010, 391755, 411845, 437060, 447720, 458913, 470680, 494214, 522340, 524472, 611884, 626808, 655590, 658952, 706020, 764855, 783510, 823690, 874120, 917826, 988428, 1044680, 1070797, 1223768, 1235535, 1311180, 1412040, 1529710, 1567020, 1647380, 1835652, 1976856, 2141594, 2294565, 2471070, 2622360, 3059420, 3134040, 3212391, 3294760, 3671304, 4283188, 4589130, 4942140, 5353985, 6118840, 6424782, 8566376, 9178260, 9884280, 10707970, 12849564, 16061955, 18356520, 21415940, 25699128, 32123910, 42831880, 64247820, 128495640]

約数ペア:

[(1, 128495640), (2, 64247820), (3, 42831880), (4, 32123910), (5, 25699128), (6, 21415940), (7, 18356520), (8, 16061955), (10, 12849564), (12, 10707970), (13, 9884280), (14, 9178260), (15, 8566376), (20, 6424782), (21, 6118840), (24, 5353985), (26, 4942140), (28, 4589130), (30, 4283188), (35, 3671304), (39, 3294760), (40, 3212391), (41, 3134040), (42, 3059420), (49, 2622360), (52, 2471070), (56, 2294565), (60, 2141594), (65, 1976856), (70, 1835652), (78, 1647380), (82, 1567020), (84, 1529710), (91, 1412040), (98, 1311180), (104, 1235535), (105, 1223768), (120, 1070797), (123, 1044680), (130, 988428), (140, 917826), (147, 874120), (156, 823690), (164, 783510), (168, 764855), (182, 706020), (195, 658952), (196, 655590), (205, 626808), (210, 611884), (245, 524472), (246, 522340), (260, 494214), (273, 470680), (280, 458913), (287, 447720), (294, 437060), (312, 411845), (328, 391755), (364, 353010), (390, 329476), (392, 327795), (410, 313404), (420, 305942), (455, 282408), (490, 262236), (492, 261170), (520, 247107), (533, 241080), (546, 235340), (574, 223860), (588, 218530), (615, 208936), (637, 201720), (728, 176505), (735, 174824), (780, 164738), (820, 156702), (840, 152971), (861, 149240), (910, 141204), (980, 131118), (984, 130585), (1066, 120540), (1092, 117670), (1148, 111930), (1176, 109265), (1230, 104468), (1274, 100860), (1365, 94136), (1435, 89544), (1470, 87412), (1560, 82369), (1599, 80360), (1640, 78351), (1681, 76440), (1722, 74620), (1820, 70602), (1911, 67240), (1960, 65559), (2009, 63960), (2132, 60270), (2184, 58835), (2296, 55965), (2460, 52234), (2548, 50430), (2665, 48216), (2730, 47068), (2870, 44772), (2940, 43706), (3185, 40344), (3198, 40180), (3362, 38220), (3444, 37310), (3640, 35301), (3731, 34440), (3822, 33620), (4018, 31980), (4264, 30135), (4305, 29848), (4920, 26117), (5043, 25480), (5096, 25215), (5330, 24108), (5460, 23534), (5740, 22386), (5880, 21853), (6027, 21320), (6370, 20172), (6396, 20090), (6724, 19110), (6888, 18655), (7462, 17220), (7644, 16810), (7995, 16072), (8036, 15990), (8405, 15288), (8610, 14924), (9555, 13448), (10045, 12792), (10086, 12740), (10660, 12054), (10920, 11767), (11193, 11480)]