31297140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 110597760

約数和(自身を除く): 79300620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 421, 531, 590, 630, 708, 826, 842, 885, 1062, 1180, 1239, 1260, 1263, 1652, 1684, 1770, 2065, 2105, 2124, 2478, 2526, 2655, 2947, 3540, 3717, 3789, 4130, 4210, 4956, 5052, 5310, 5894, 6195, 6315, 7434, 7578, 8260, 8420, 8841, 10620, 11788, 12390, 12630, 14735, 14868, 15156, 17682, 18585, 18945, 24780, 24839, 25260, 26523, 29470, 35364, 37170, 37890, 44205, 49678, 53046, 58940, 74340, 74517, 75780, 88410, 99356, 106092, 124195, 132615, 149034, 173873, 176820, 223551, 248390, 265230, 298068, 347746, 372585, 447102, 496780, 521619, 530460, 695492, 745170, 869365, 894204, 1043238, 1117755, 1490340, 1564857, 1738730, 2086476, 2235510, 2608095, 3129714, 3477460, 4471020, 5216190, 6259428, 7824285, 10432380, 15648570, 31297140]

約数ペア:

[(1, 31297140), (2, 15648570), (3, 10432380), (4, 7824285), (5, 6259428), (6, 5216190), (7, 4471020), (9, 3477460), (10, 3129714), (12, 2608095), (14, 2235510), (15, 2086476), (18, 1738730), (20, 1564857), (21, 1490340), (28, 1117755), (30, 1043238), (35, 894204), (36, 869365), (42, 745170), (45, 695492), (59, 530460), (60, 521619), (63, 496780), (70, 447102), (84, 372585), (90, 347746), (105, 298068), (118, 265230), (126, 248390), (140, 223551), (177, 176820), (180, 173873), (210, 149034), (236, 132615), (252, 124195), (295, 106092), (315, 99356), (354, 88410), (413, 75780), (420, 74517), (421, 74340), (531, 58940), (590, 53046), (630, 49678), (708, 44205), (826, 37890), (842, 37170), (885, 35364), (1062, 29470), (1180, 26523), (1239, 25260), (1260, 24839), (1263, 24780), (1652, 18945), (1684, 18585), (1770, 17682), (2065, 15156), (2105, 14868), (2124, 14735), (2478, 12630), (2526, 12390), (2655, 11788), (2947, 10620), (3540, 8841), (3717, 8420), (3789, 8260), (4130, 7578), (4210, 7434), (4956, 6315), (5052, 6195), (5310, 5894)]