254549880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:638

約数の個数: 192

約数和(自身を含む): 900900000

約数和(自身を除く): 646350120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 109, 117, 120, 130, 156, 180, 195, 218, 234, 260, 312, 327, 360, 390, 436, 468, 499, 520, 545, 585, 654, 780, 872, 936, 981, 998, 1090, 1170, 1308, 1417, 1497, 1560, 1635, 1962, 1996, 2180, 2340, 2495, 2616, 2834, 2994, 3270, 3924, 3992, 4251, 4360, 4491, 4680, 4905, 4990, 5668, 5988, 6487, 6540, 7085, 7485, 7848, 8502, 8982, 9810, 9980, 11336, 11976, 12753, 12974, 13080, 14170, 14970, 17004, 17964, 19461, 19620, 19960, 21255, 22455, 25506, 25948, 28340, 29940, 32435, 34008, 35928, 38922, 39240, 42510, 44910, 51012, 51896, 54391, 56680, 58383, 59880, 63765, 64870, 77844, 85020, 89820, 97305, 102024, 108782, 116766, 127530, 129740, 155688, 163173, 170040, 179640, 194610, 217564, 233532, 255060, 259480, 271955, 291915, 326346, 389220, 435128, 467064, 489519, 510120, 543910, 583830, 652692, 707083, 778440, 815865, 979038, 1087820, 1167660, 1305384, 1414166, 1631730, 1958076, 2121249, 2175640, 2335320, 2447595, 2828332, 3263460, 3535415, 3916152, 4242498, 4895190, 5656664, 6363747, 6526920, 7070830, 8484996, 9790380, 10606245, 12727494, 14141660, 16969992, 19580760, 21212490, 25454988, 28283320, 31818735, 42424980, 50909976, 63637470, 84849960, 127274940, 254549880]

約数ペア:

[(1, 254549880), (2, 127274940), (3, 84849960), (4, 63637470), (5, 50909976), (6, 42424980), (8, 31818735), (9, 28283320), (10, 25454988), (12, 21212490), (13, 19580760), (15, 16969992), (18, 14141660), (20, 12727494), (24, 10606245), (26, 9790380), (30, 8484996), (36, 7070830), (39, 6526920), (40, 6363747), (45, 5656664), (52, 4895190), (60, 4242498), (65, 3916152), (72, 3535415), (78, 3263460), (90, 2828332), (104, 2447595), (109, 2335320), (117, 2175640), (120, 2121249), (130, 1958076), (156, 1631730), (180, 1414166), (195, 1305384), (218, 1167660), (234, 1087820), (260, 979038), (312, 815865), (327, 778440), (360, 707083), (390, 652692), (436, 583830), (468, 543910), (499, 510120), (520, 489519), (545, 467064), (585, 435128), (654, 389220), (780, 326346), (872, 291915), (936, 271955), (981, 259480), (998, 255060), (1090, 233532), (1170, 217564), (1308, 194610), (1417, 179640), (1497, 170040), (1560, 163173), (1635, 155688), (1962, 129740), (1996, 127530), (2180, 116766), (2340, 108782), (2495, 102024), (2616, 97305), (2834, 89820), (2994, 85020), (3270, 77844), (3924, 64870), (3992, 63765), (4251, 59880), (4360, 58383), (4491, 56680), (4680, 54391), (4905, 51896), (4990, 51012), (5668, 44910), (5988, 42510), (6487, 39240), (6540, 38922), (7085, 35928), (7485, 34008), (7848, 32435), (8502, 29940), (8982, 28340), (9810, 25948), (9980, 25506), (11336, 22455), (11976, 21255), (12753, 19960), (12974, 19620), (13080, 19461), (14170, 17964), (14970, 17004)]