1665320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 4147200

約数和(自身を除く): 2481880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 79, 85, 124, 136, 155, 158, 170, 248, 310, 316, 340, 395, 527, 620, 632, 680, 790, 1054, 1240, 1343, 1580, 2108, 2449, 2635, 2686, 3160, 4216, 4898, 5270, 5372, 6715, 9796, 10540, 10744, 12245, 13430, 19592, 21080, 24490, 26860, 41633, 48980, 53720, 83266, 97960, 166532, 208165, 333064, 416330, 832660, 1665320]

約数ペア:

[(1, 1665320), (2, 832660), (4, 416330), (5, 333064), (8, 208165), (10, 166532), (17, 97960), (20, 83266), (31, 53720), (34, 48980), (40, 41633), (62, 26860), (68, 24490), (79, 21080), (85, 19592), (124, 13430), (136, 12245), (155, 10744), (158, 10540), (170, 9796), (248, 6715), (310, 5372), (316, 5270), (340, 4898), (395, 4216), (527, 3160), (620, 2686), (632, 2635), (680, 2449), (790, 2108), (1054, 1580), (1240, 1343)]