30187640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 78312960

約数和(自身を除く): 48125320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 823, 917, 1048, 1310, 1646, 1834, 2620, 3292, 3668, 4115, 4585, 5240, 5761, 6584, 7336, 8230, 9170, 11522, 16460, 18340, 23044, 28805, 32920, 36680, 46088, 57610, 107813, 115220, 215626, 230440, 431252, 539065, 754691, 862504, 1078130, 1509382, 2156260, 3018764, 3773455, 4312520, 6037528, 7546910, 15093820, 30187640]

約数ペア:

[(1, 30187640), (2, 15093820), (4, 7546910), (5, 6037528), (7, 4312520), (8, 3773455), (10, 3018764), (14, 2156260), (20, 1509382), (28, 1078130), (35, 862504), (40, 754691), (56, 539065), (70, 431252), (131, 230440), (140, 215626), (262, 115220), (280, 107813), (524, 57610), (655, 46088), (823, 36680), (917, 32920), (1048, 28805), (1310, 23044), (1646, 18340), (1834, 16460), (2620, 11522), (3292, 9170), (3668, 8230), (4115, 7336), (4585, 6584), (5240, 5761)]