989429280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{757}}^1$

素因数の和:1171

約数の個数: 192

約数和(自身を含む): 3575819520

約数和(自身を除く): 2586390240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 389, 420, 480, 560, 672, 757, 778, 840, 1120, 1167, 1514, 1556, 1680, 1945, 2271, 2334, 2723, 3028, 3112, 3360, 3785, 3890, 4542, 4668, 5299, 5446, 5835, 6056, 6224, 7570, 7780, 8169, 9084, 9336, 10598, 10892, 11355, 11670, 12112, 12448, 13615, 15140, 15560, 15897, 16338, 18168, 18672, 21196, 21784, 22710, 23340, 24224, 26495, 27230, 30280, 31120, 31794, 32676, 36336, 37344, 40845, 42392, 43568, 45420, 46680, 52990, 54460, 60560, 62240, 63588, 65352, 72672, 79485, 81690, 84784, 87136, 90840, 93360, 105980, 108920, 121120, 127176, 130704, 158970, 163380, 169568, 181680, 186720, 211960, 217840, 254352, 261408, 294473, 317940, 326760, 363360, 423920, 435680, 508704, 588946, 635880, 653520, 847840, 883419, 1177892, 1271760, 1307040, 1472365, 1766838, 2061311, 2355784, 2543520, 2944730, 3533676, 4122622, 4417095, 4711568, 5889460, 6183933, 7067352, 8245244, 8834190, 9423136, 10306555, 11778920, 12367866, 14134704, 16490488, 17668380, 20613110, 23557840, 24735732, 28269408, 30919665, 32980976, 35336760, 41226220, 47115680, 49471464, 61839330, 65961952, 70673520, 82452440, 98942928, 123678660, 141347040, 164904880, 197885856, 247357320, 329809760, 494714640, 989429280]

約数ペア:

[(1, 989429280), (2, 494714640), (3, 329809760), (4, 247357320), (5, 197885856), (6, 164904880), (7, 141347040), (8, 123678660), (10, 98942928), (12, 82452440), (14, 70673520), (15, 65961952), (16, 61839330), (20, 49471464), (21, 47115680), (24, 41226220), (28, 35336760), (30, 32980976), (32, 30919665), (35, 28269408), (40, 24735732), (42, 23557840), (48, 20613110), (56, 17668380), (60, 16490488), (70, 14134704), (80, 12367866), (84, 11778920), (96, 10306555), (105, 9423136), (112, 8834190), (120, 8245244), (140, 7067352), (160, 6183933), (168, 5889460), (210, 4711568), (224, 4417095), (240, 4122622), (280, 3533676), (336, 2944730), (389, 2543520), (420, 2355784), (480, 2061311), (560, 1766838), (672, 1472365), (757, 1307040), (778, 1271760), (840, 1177892), (1120, 883419), (1167, 847840), (1514, 653520), (1556, 635880), (1680, 588946), (1945, 508704), (2271, 435680), (2334, 423920), (2723, 363360), (3028, 326760), (3112, 317940), (3360, 294473), (3785, 261408), (3890, 254352), (4542, 217840), (4668, 211960), (5299, 186720), (5446, 181680), (5835, 169568), (6056, 163380), (6224, 158970), (7570, 130704), (7780, 127176), (8169, 121120), (9084, 108920), (9336, 105980), (10598, 93360), (10892, 90840), (11355, 87136), (11670, 84784), (12112, 81690), (12448, 79485), (13615, 72672), (15140, 65352), (15560, 63588), (15897, 62240), (16338, 60560), (18168, 54460), (18672, 52990), (21196, 46680), (21784, 45420), (22710, 43568), (23340, 42392), (24224, 40845), (26495, 37344), (27230, 36336), (30280, 32676), (31120, 31794)]