30185820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23957}}^1$

素因数の和:23979

約数の個数: 72

約数和(自身を含む): 104648544

約数和(自身を除く): 74462724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 23957, 47914, 71871, 95828, 119785, 143742, 167699, 215613, 239570, 287484, 335398, 359355, 431226, 479140, 503097, 670796, 718710, 838495, 862452, 1006194, 1078065, 1437420, 1509291, 1676990, 2012388, 2156130, 2515485, 3018582, 3353980, 4312260, 5030970, 6037164, 7546455, 10061940, 15092910, 30185820]

約数ペア:

[(1, 30185820), (2, 15092910), (3, 10061940), (4, 7546455), (5, 6037164), (6, 5030970), (7, 4312260), (9, 3353980), (10, 3018582), (12, 2515485), (14, 2156130), (15, 2012388), (18, 1676990), (20, 1509291), (21, 1437420), (28, 1078065), (30, 1006194), (35, 862452), (36, 838495), (42, 718710), (45, 670796), (60, 503097), (63, 479140), (70, 431226), (84, 359355), (90, 335398), (105, 287484), (126, 239570), (140, 215613), (180, 167699), (210, 143742), (252, 119785), (315, 95828), (420, 71871), (630, 47914), (1260, 23957)]