90901980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:617

約数の個数: 192

約数和(自身を含む): 318366720

約数和(自身を除く): 227464740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 90, 92, 108, 115, 117, 130, 135, 138, 156, 180, 195, 207, 230, 234, 260, 270, 276, 299, 345, 351, 390, 414, 460, 468, 540, 563, 585, 598, 621, 690, 702, 780, 828, 897, 1035, 1126, 1170, 1196, 1242, 1380, 1404, 1495, 1689, 1755, 1794, 2070, 2252, 2340, 2484, 2691, 2815, 2990, 3105, 3378, 3510, 3588, 4140, 4485, 5067, 5382, 5630, 5980, 6210, 6756, 7020, 7319, 8073, 8445, 8970, 10134, 10764, 11260, 12420, 12949, 13455, 14638, 15201, 16146, 16890, 17940, 20268, 21957, 25335, 25898, 26910, 29276, 30402, 32292, 33780, 36595, 38847, 40365, 43914, 50670, 51796, 53820, 60804, 64745, 65871, 73190, 76005, 77694, 80730, 87828, 101340, 109785, 116541, 129490, 131742, 146380, 152010, 155388, 161460, 168337, 194235, 197613, 219570, 233082, 258980, 263484, 304020, 329355, 336674, 349623, 388470, 395226, 439140, 466164, 505011, 582705, 658710, 673348, 699246, 776940, 790452, 841685, 988065, 1010022, 1165410, 1317420, 1398492, 1515033, 1683370, 1748115, 1976130, 2020044, 2330820, 2525055, 3030066, 3366740, 3496230, 3952260, 4545099, 5050110, 6060132, 6992460, 7575165, 9090198, 10100220, 15150330, 18180396, 22725495, 30300660, 45450990, 90901980]

約数ペア:

[(1, 90901980), (2, 45450990), (3, 30300660), (4, 22725495), (5, 18180396), (6, 15150330), (9, 10100220), (10, 9090198), (12, 7575165), (13, 6992460), (15, 6060132), (18, 5050110), (20, 4545099), (23, 3952260), (26, 3496230), (27, 3366740), (30, 3030066), (36, 2525055), (39, 2330820), (45, 2020044), (46, 1976130), (52, 1748115), (54, 1683370), (60, 1515033), (65, 1398492), (69, 1317420), (78, 1165410), (90, 1010022), (92, 988065), (108, 841685), (115, 790452), (117, 776940), (130, 699246), (135, 673348), (138, 658710), (156, 582705), (180, 505011), (195, 466164), (207, 439140), (230, 395226), (234, 388470), (260, 349623), (270, 336674), (276, 329355), (299, 304020), (345, 263484), (351, 258980), (390, 233082), (414, 219570), (460, 197613), (468, 194235), (540, 168337), (563, 161460), (585, 155388), (598, 152010), (621, 146380), (690, 131742), (702, 129490), (780, 116541), (828, 109785), (897, 101340), (1035, 87828), (1126, 80730), (1170, 77694), (1196, 76005), (1242, 73190), (1380, 65871), (1404, 64745), (1495, 60804), (1689, 53820), (1755, 51796), (1794, 50670), (2070, 43914), (2252, 40365), (2340, 38847), (2484, 36595), (2691, 33780), (2815, 32292), (2990, 30402), (3105, 29276), (3378, 26910), (3510, 25898), (3588, 25335), (4140, 21957), (4485, 20268), (5067, 17940), (5382, 16890), (5630, 16146), (5980, 15201), (6210, 14638), (6756, 13455), (7020, 12949), (7319, 12420), (8073, 11260), (8445, 10764), (8970, 10134)]