1330520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 3283200

約数和(自身を除く): 1952680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 37, 40, 58, 62, 74, 116, 124, 145, 148, 155, 185, 232, 248, 290, 296, 310, 370, 580, 620, 740, 899, 1073, 1147, 1160, 1240, 1480, 1798, 2146, 2294, 3596, 4292, 4495, 4588, 5365, 5735, 7192, 8584, 8990, 9176, 10730, 11470, 17980, 21460, 22940, 33263, 35960, 42920, 45880, 66526, 133052, 166315, 266104, 332630, 665260, 1330520]

約数ペア:

[(1, 1330520), (2, 665260), (4, 332630), (5, 266104), (8, 166315), (10, 133052), (20, 66526), (29, 45880), (31, 42920), (37, 35960), (40, 33263), (58, 22940), (62, 21460), (74, 17980), (116, 11470), (124, 10730), (145, 9176), (148, 8990), (155, 8584), (185, 7192), (232, 5735), (248, 5365), (290, 4588), (296, 4495), (310, 4292), (370, 3596), (580, 2294), (620, 2146), (740, 1798), (899, 1480), (1073, 1240), (1147, 1160)]