15032120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 35251200

約数和(自身を除く): 20219080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 79, 134, 142, 158, 268, 284, 316, 335, 355, 395, 536, 568, 632, 670, 710, 790, 1340, 1420, 1580, 2680, 2840, 3160, 4757, 5293, 5609, 9514, 10586, 11218, 19028, 21172, 22436, 23785, 26465, 28045, 38056, 42344, 44872, 47570, 52930, 56090, 95140, 105860, 112180, 190280, 211720, 224360, 375803, 751606, 1503212, 1879015, 3006424, 3758030, 7516060, 15032120]

約数ペア:

[(1, 15032120), (2, 7516060), (4, 3758030), (5, 3006424), (8, 1879015), (10, 1503212), (20, 751606), (40, 375803), (67, 224360), (71, 211720), (79, 190280), (134, 112180), (142, 105860), (158, 95140), (268, 56090), (284, 52930), (316, 47570), (335, 44872), (355, 42344), (395, 38056), (536, 28045), (568, 26465), (632, 23785), (670, 22436), (710, 21172), (790, 19028), (1340, 11218), (1420, 10586), (1580, 9514), (2680, 5609), (2840, 5293), (3160, 4757)]