637398840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3119}}^1$

素因数の和:3277

約数の個数: 128

約数和(自身を含む): 2075673600

約数和(自身を除く): 1438274760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 131, 156, 195, 260, 262, 312, 390, 393, 520, 524, 655, 780, 786, 1048, 1310, 1560, 1572, 1703, 1965, 2620, 3119, 3144, 3406, 3930, 5109, 5240, 6238, 6812, 7860, 8515, 9357, 10218, 12476, 13624, 15595, 15720, 17030, 18714, 20436, 24952, 25545, 31190, 34060, 37428, 40547, 40872, 46785, 51090, 62380, 68120, 74856, 81094, 93570, 102180, 121641, 124760, 162188, 187140, 202735, 204360, 243282, 324376, 374280, 405470, 408589, 486564, 608205, 810940, 817178, 973128, 1216410, 1225767, 1621880, 1634356, 2042945, 2432820, 2451534, 3268712, 4085890, 4865640, 4903068, 5311657, 6128835, 8171780, 9806136, 10623314, 12257670, 15934971, 16343560, 21246628, 24515340, 26558285, 31869942, 42493256, 49030680, 53116570, 63739884, 79674855, 106233140, 127479768, 159349710, 212466280, 318699420, 637398840]

約数ペア:

[(1, 637398840), (2, 318699420), (3, 212466280), (4, 159349710), (5, 127479768), (6, 106233140), (8, 79674855), (10, 63739884), (12, 53116570), (13, 49030680), (15, 42493256), (20, 31869942), (24, 26558285), (26, 24515340), (30, 21246628), (39, 16343560), (40, 15934971), (52, 12257670), (60, 10623314), (65, 9806136), (78, 8171780), (104, 6128835), (120, 5311657), (130, 4903068), (131, 4865640), (156, 4085890), (195, 3268712), (260, 2451534), (262, 2432820), (312, 2042945), (390, 1634356), (393, 1621880), (520, 1225767), (524, 1216410), (655, 973128), (780, 817178), (786, 810940), (1048, 608205), (1310, 486564), (1560, 408589), (1572, 405470), (1703, 374280), (1965, 324376), (2620, 243282), (3119, 204360), (3144, 202735), (3406, 187140), (3930, 162188), (5109, 124760), (5240, 121641), (6238, 102180), (6812, 93570), (7860, 81094), (8515, 74856), (9357, 68120), (10218, 62380), (12476, 51090), (13624, 46785), (15595, 40872), (15720, 40547), (17030, 37428), (18714, 34060), (20436, 31190), (24952, 25545)]