17919701520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{70639}}^1$

素因数の和:70813

約数の個数: 160

約数和(自身を含む): 63908290560

約数和(自身を除く): 45988589040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 151, 168, 210, 240, 280, 302, 336, 420, 453, 560, 604, 755, 840, 906, 1057, 1208, 1510, 1680, 1812, 2114, 2265, 2416, 3020, 3171, 3624, 4228, 4530, 5285, 6040, 6342, 7248, 8456, 9060, 10570, 12080, 12684, 15855, 16912, 18120, 21140, 25368, 31710, 36240, 42280, 50736, 63420, 70639, 84560, 126840, 141278, 211917, 253680, 282556, 353195, 423834, 494473, 565112, 706390, 847668, 988946, 1059585, 1130224, 1412780, 1483419, 1695336, 1977892, 2119170, 2472365, 2825560, 2966838, 3390672, 3955784, 4238340, 4944730, 5651120, 5933676, 7417095, 7911568, 8476680, 9889460, 10666489, 11867352, 14834190, 16953360, 19778920, 21332978, 23734704, 29668380, 31999467, 39557840, 42665956, 53332445, 59336760, 63998934, 74665423, 85331912, 106664890, 118673520, 127997868, 149330846, 159997335, 170663824, 213329780, 223996269, 255995736, 298661692, 319994670, 373327115, 426659560, 447992538, 511991472, 597323384, 639989340, 746654230, 853319120, 895985076, 1119981345, 1194646768, 1279978680, 1493308460, 1791970152, 2239962690, 2559957360, 2986616920, 3583940304, 4479925380, 5973233840, 8959850760, 17919701520]

約数ペア:

[(1, 17919701520), (2, 8959850760), (3, 5973233840), (4, 4479925380), (5, 3583940304), (6, 2986616920), (7, 2559957360), (8, 2239962690), (10, 1791970152), (12, 1493308460), (14, 1279978680), (15, 1194646768), (16, 1119981345), (20, 895985076), (21, 853319120), (24, 746654230), (28, 639989340), (30, 597323384), (35, 511991472), (40, 447992538), (42, 426659560), (48, 373327115), (56, 319994670), (60, 298661692), (70, 255995736), (80, 223996269), (84, 213329780), (105, 170663824), (112, 159997335), (120, 149330846), (140, 127997868), (151, 118673520), (168, 106664890), (210, 85331912), (240, 74665423), (280, 63998934), (302, 59336760), (336, 53332445), (420, 42665956), (453, 39557840), (560, 31999467), (604, 29668380), (755, 23734704), (840, 21332978), (906, 19778920), (1057, 16953360), (1208, 14834190), (1510, 11867352), (1680, 10666489), (1812, 9889460), (2114, 8476680), (2265, 7911568), (2416, 7417095), (3020, 5933676), (3171, 5651120), (3624, 4944730), (4228, 4238340), (4530, 3955784), (5285, 3390672), (6040, 2966838), (6342, 2825560), (7248, 2472365), (8456, 2119170), (9060, 1977892), (10570, 1695336), (12080, 1483419), (12684, 1412780), (15855, 1130224), (16912, 1059585), (18120, 988946), (21140, 847668), (25368, 706390), (31710, 565112), (36240, 494473), (42280, 423834), (50736, 353195), (63420, 282556), (70639, 253680), (84560, 211917), (126840, 141278)]