261852240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 320

約数和(自身を含む): 944939520

約数和(自身を除く): 683087280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 41, 46, 48, 52, 60, 65, 69, 78, 80, 82, 89, 92, 104, 115, 120, 123, 130, 138, 156, 164, 178, 184, 195, 205, 208, 230, 240, 246, 260, 267, 276, 299, 312, 328, 345, 356, 368, 390, 410, 445, 460, 492, 520, 533, 534, 552, 598, 615, 624, 656, 690, 712, 780, 820, 890, 897, 920, 943, 984, 1040, 1066, 1068, 1104, 1157, 1196, 1230, 1335, 1380, 1424, 1495, 1560, 1599, 1640, 1780, 1794, 1840, 1886, 1968, 2047, 2132, 2136, 2314, 2392, 2460, 2665, 2670, 2760, 2829, 2990, 3120, 3198, 3280, 3471, 3560, 3588, 3649, 3772, 4094, 4264, 4272, 4485, 4628, 4715, 4784, 4920, 5330, 5340, 5520, 5658, 5785, 5980, 6141, 6396, 6942, 7120, 7176, 7298, 7544, 7995, 8188, 8528, 8970, 9256, 9430, 9840, 10235, 10660, 10680, 10947, 11316, 11570, 11960, 12259, 12282, 12792, 13884, 14145, 14352, 14596, 15088, 15990, 16376, 17355, 17940, 18245, 18512, 18860, 20470, 21320, 21360, 21894, 22632, 23140, 23920, 24518, 24564, 25584, 26611, 27768, 28290, 29192, 30705, 31980, 32752, 34710, 35880, 36490, 36777, 37720, 40940, 42640, 43788, 45264, 46280, 47437, 49036, 49128, 53222, 54735, 55536, 56580, 58384, 61295, 61410, 63960, 69420, 71760, 72980, 73554, 75440, 79833, 81880, 83927, 87576, 92560, 94874, 98072, 98256, 106444, 109470, 113160, 122590, 122820, 127920, 133055, 138840, 142311, 145960, 147108, 159666, 163760, 167854, 175152, 183885, 189748, 196144, 212888, 218940, 226320, 237185, 245180, 245640, 251781, 266110, 277680, 284622, 291920, 294216, 319332, 335708, 367770, 379496, 399165, 419635, 425776, 437880, 474370, 490360, 491280, 503562, 532220, 569244, 588432, 638664, 671416, 711555, 735540, 758992, 798330, 839270, 875760, 948740, 980720, 1007124, 1064440, 1091051, 1138488, 1258905, 1277328, 1342832, 1423110, 1471080, 1596660, 1678540, 1897480, 2014248, 2128880, 2182102, 2276976, 2517810, 2846220, 2942160, 3193320, 3273153, 3357080, 3794960, 4028496, 4364204, 5035620, 5455255, 5692440, 6386640, 6546306, 6714160, 8728408, 10071240, 10910510, 11384880, 13092612, 16365765, 17456816, 20142480, 21821020, 26185224, 32731530, 43642040, 52370448, 65463060, 87284080, 130926120, 261852240]

約数ペア:

[(1, 261852240), (2, 130926120), (3, 87284080), (4, 65463060), (5, 52370448), (6, 43642040), (8, 32731530), (10, 26185224), (12, 21821020), (13, 20142480), (15, 17456816), (16, 16365765), (20, 13092612), (23, 11384880), (24, 10910510), (26, 10071240), (30, 8728408), (39, 6714160), (40, 6546306), (41, 6386640), (46, 5692440), (48, 5455255), (52, 5035620), (60, 4364204), (65, 4028496), (69, 3794960), (78, 3357080), (80, 3273153), (82, 3193320), (89, 2942160), (92, 2846220), (104, 2517810), (115, 2276976), (120, 2182102), (123, 2128880), (130, 2014248), (138, 1897480), (156, 1678540), (164, 1596660), (178, 1471080), (184, 1423110), (195, 1342832), (205, 1277328), (208, 1258905), (230, 1138488), (240, 1091051), (246, 1064440), (260, 1007124), (267, 980720), (276, 948740), (299, 875760), (312, 839270), (328, 798330), (345, 758992), (356, 735540), (368, 711555), (390, 671416), (410, 638664), (445, 588432), (460, 569244), (492, 532220), (520, 503562), (533, 491280), (534, 490360), (552, 474370), (598, 437880), (615, 425776), (624, 419635), (656, 399165), (690, 379496), (712, 367770), (780, 335708), (820, 319332), (890, 294216), (897, 291920), (920, 284622), (943, 277680), (984, 266110), (1040, 251781), (1066, 245640), (1068, 245180), (1104, 237185), (1157, 226320), (1196, 218940), (1230, 212888), (1335, 196144), (1380, 189748), (1424, 183885), (1495, 175152), (1560, 167854), (1599, 163760), (1640, 159666), (1780, 147108), (1794, 145960), (1840, 142311), (1886, 138840), (1968, 133055), (2047, 127920), (2132, 122820), (2136, 122590), (2314, 113160), (2392, 109470), (2460, 106444), (2665, 98256), (2670, 98072), (2760, 94874), (2829, 92560), (2990, 87576), (3120, 83927), (3198, 81880), (3280, 79833), (3471, 75440), (3560, 73554), (3588, 72980), (3649, 71760), (3772, 69420), (4094, 63960), (4264, 61410), (4272, 61295), (4485, 58384), (4628, 56580), (4715, 55536), (4784, 54735), (4920, 53222), (5330, 49128), (5340, 49036), (5520, 47437), (5658, 46280), (5785, 45264), (5980, 43788), (6141, 42640), (6396, 40940), (6942, 37720), (7120, 36777), (7176, 36490), (7298, 35880), (7544, 34710), (7995, 32752), (8188, 31980), (8528, 30705), (8970, 29192), (9256, 28290), (9430, 27768), (9840, 26611), (10235, 25584), (10660, 24564), (10680, 24518), (10947, 23920), (11316, 23140), (11570, 22632), (11960, 21894), (12259, 21360), (12282, 21320), (12792, 20470), (13884, 18860), (14145, 18512), (14352, 18245), (14596, 17940), (15088, 17355), (15990, 16376)]