30688140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2407

約数の個数: 96

約数和(自身を含む): 101412864

約数和(自身を除く): 70724724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2357, 2604, 3255, 4340, 4714, 6510, 7071, 9428, 11785, 13020, 14142, 16499, 23570, 28284, 32998, 35355, 47140, 49497, 65996, 70710, 73067, 82495, 98994, 141420, 146134, 164990, 197988, 219201, 247485, 292268, 329980, 365335, 438402, 494970, 511469, 730670, 876804, 989940, 1022938, 1096005, 1461340, 1534407, 2045876, 2192010, 2557345, 3068814, 4384020, 5114690, 6137628, 7672035, 10229380, 15344070, 30688140]

約数ペア:

[(1, 30688140), (2, 15344070), (3, 10229380), (4, 7672035), (5, 6137628), (6, 5114690), (7, 4384020), (10, 3068814), (12, 2557345), (14, 2192010), (15, 2045876), (20, 1534407), (21, 1461340), (28, 1096005), (30, 1022938), (31, 989940), (35, 876804), (42, 730670), (60, 511469), (62, 494970), (70, 438402), (84, 365335), (93, 329980), (105, 292268), (124, 247485), (140, 219201), (155, 197988), (186, 164990), (210, 146134), (217, 141420), (310, 98994), (372, 82495), (420, 73067), (434, 70710), (465, 65996), (620, 49497), (651, 47140), (868, 35355), (930, 32998), (1085, 28284), (1302, 23570), (1860, 16499), (2170, 14142), (2357, 13020), (2604, 11785), (3255, 9428), (4340, 7071), (4714, 6510)]