89811960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3449}}^1$

素因数の和:3501

約数の個数: 128

約数和(自身を含む): 317952000

約数和(自身を除く): 228140040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3449, 3720, 4340, 5208, 6510, 6898, 8680, 10347, 13020, 13796, 17245, 20694, 24143, 26040, 27592, 34490, 41388, 48286, 51735, 68980, 72429, 82776, 96572, 103470, 106919, 120715, 137960, 144858, 193144, 206940, 213838, 241430, 289716, 320757, 362145, 413880, 427676, 482860, 534595, 579432, 641514, 724290, 748433, 855352, 965720, 1069190, 1283028, 1448580, 1496866, 1603785, 2138380, 2245299, 2566056, 2897160, 2993732, 3207570, 3742165, 4276760, 4490598, 5987464, 6415140, 7484330, 8981196, 11226495, 12830280, 14968660, 17962392, 22452990, 29937320, 44905980, 89811960]

約数ペア:

[(1, 89811960), (2, 44905980), (3, 29937320), (4, 22452990), (5, 17962392), (6, 14968660), (7, 12830280), (8, 11226495), (10, 8981196), (12, 7484330), (14, 6415140), (15, 5987464), (20, 4490598), (21, 4276760), (24, 3742165), (28, 3207570), (30, 2993732), (31, 2897160), (35, 2566056), (40, 2245299), (42, 2138380), (56, 1603785), (60, 1496866), (62, 1448580), (70, 1283028), (84, 1069190), (93, 965720), (105, 855352), (120, 748433), (124, 724290), (140, 641514), (155, 579432), (168, 534595), (186, 482860), (210, 427676), (217, 413880), (248, 362145), (280, 320757), (310, 289716), (372, 241430), (420, 213838), (434, 206940), (465, 193144), (620, 144858), (651, 137960), (744, 120715), (840, 106919), (868, 103470), (930, 96572), (1085, 82776), (1240, 72429), (1302, 68980), (1736, 51735), (1860, 48286), (2170, 41388), (2604, 34490), (3255, 27592), (3449, 26040), (3720, 24143), (4340, 20694), (5208, 17245), (6510, 13796), (6898, 13020), (8680, 10347)]