31588440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20249}}^1$

素因数の和:20276

約数の個数: 64

約数和(自身を含む): 102060000

約数和(自身を除く): 70471560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20249, 40498, 60747, 80996, 101245, 121494, 161992, 202490, 242988, 263237, 303735, 404980, 485976, 526474, 607470, 789711, 809960, 1052948, 1214940, 1316185, 1579422, 2105896, 2429880, 2632370, 3158844, 3948555, 5264740, 6317688, 7897110, 10529480, 15794220, 31588440]

約数ペア:

[(1, 31588440), (2, 15794220), (3, 10529480), (4, 7897110), (5, 6317688), (6, 5264740), (8, 3948555), (10, 3158844), (12, 2632370), (13, 2429880), (15, 2105896), (20, 1579422), (24, 1316185), (26, 1214940), (30, 1052948), (39, 809960), (40, 789711), (52, 607470), (60, 526474), (65, 485976), (78, 404980), (104, 303735), (120, 263237), (130, 242988), (156, 202490), (195, 161992), (260, 121494), (312, 101245), (390, 80996), (520, 60747), (780, 40498), (1560, 20249)]