638560260

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1166

約数の個数: 192

約数和(自身を含む): 2167791360

約数和(自身を除く): 1529231100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 729, 780, 810, 972, 1053, 1123, 1170, 1215, 1404, 1458, 1620, 1755, 2106, 2187, 2246, 2340, 2430, 2916, 3159, 3369, 3510, 3645, 4212, 4374, 4492, 4860, 5265, 5615, 6318, 6738, 7020, 7290, 8748, 9477, 10107, 10530, 10935, 11230, 12636, 13476, 14580, 14599, 15795, 16845, 18954, 20214, 21060, 21870, 22460, 28431, 29198, 30321, 31590, 33690, 37908, 40428, 43740, 43797, 47385, 50535, 56862, 58396, 60642, 63180, 67380, 72995, 87594, 90963, 94770, 101070, 113724, 121284, 131391, 142155, 145990, 151605, 175188, 181926, 189540, 202140, 218985, 262782, 272889, 284310, 291980, 303210, 363852, 394173, 437970, 454815, 525564, 545778, 568620, 606420, 656955, 788346, 818667, 875940, 909630, 1091556, 1182519, 1313910, 1364445, 1576692, 1637334, 1819260, 1970865, 2365038, 2456001, 2627820, 2728890, 3274668, 3547557, 3941730, 4093335, 4730076, 4912002, 5457780, 5912595, 7095114, 7883460, 8186670, 9824004, 10642671, 11825190, 12280005, 14190228, 16373340, 17737785, 21285342, 23650380, 24560010, 31928013, 35475570, 42570684, 49120020, 53213355, 63856026, 70951140, 106426710, 127712052, 159640065, 212853420, 319280130, 638560260]

約数ペア:

[(1, 638560260), (2, 319280130), (3, 212853420), (4, 159640065), (5, 127712052), (6, 106426710), (9, 70951140), (10, 63856026), (12, 53213355), (13, 49120020), (15, 42570684), (18, 35475570), (20, 31928013), (26, 24560010), (27, 23650380), (30, 21285342), (36, 17737785), (39, 16373340), (45, 14190228), (52, 12280005), (54, 11825190), (60, 10642671), (65, 9824004), (78, 8186670), (81, 7883460), (90, 7095114), (108, 5912595), (117, 5457780), (130, 4912002), (135, 4730076), (156, 4093335), (162, 3941730), (180, 3547557), (195, 3274668), (234, 2728890), (243, 2627820), (260, 2456001), (270, 2365038), (324, 1970865), (351, 1819260), (390, 1637334), (405, 1576692), (468, 1364445), (486, 1313910), (540, 1182519), (585, 1091556), (702, 909630), (729, 875940), (780, 818667), (810, 788346), (972, 656955), (1053, 606420), (1123, 568620), (1170, 545778), (1215, 525564), (1404, 454815), (1458, 437970), (1620, 394173), (1755, 363852), (2106, 303210), (2187, 291980), (2246, 284310), (2340, 272889), (2430, 262782), (2916, 218985), (3159, 202140), (3369, 189540), (3510, 181926), (3645, 175188), (4212, 151605), (4374, 145990), (4492, 142155), (4860, 131391), (5265, 121284), (5615, 113724), (6318, 101070), (6738, 94770), (7020, 90963), (7290, 87594), (8748, 72995), (9477, 67380), (10107, 63180), (10530, 60642), (10935, 58396), (11230, 56862), (12636, 50535), (13476, 47385), (14580, 43797), (14599, 43740), (15795, 40428), (16845, 37908), (18954, 33690), (20214, 31590), (21060, 30321), (21870, 29198), (22460, 28431)]