2661040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 6785280

約数和(自身を除く): 4124240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 37, 40, 58, 62, 74, 80, 116, 124, 145, 148, 155, 185, 232, 248, 290, 296, 310, 370, 464, 496, 580, 592, 620, 740, 899, 1073, 1147, 1160, 1240, 1480, 1798, 2146, 2294, 2320, 2480, 2960, 3596, 4292, 4495, 4588, 5365, 5735, 7192, 8584, 8990, 9176, 10730, 11470, 14384, 17168, 17980, 18352, 21460, 22940, 33263, 35960, 42920, 45880, 66526, 71920, 85840, 91760, 133052, 166315, 266104, 332630, 532208, 665260, 1330520, 2661040]

約数ペア:

[(1, 2661040), (2, 1330520), (4, 665260), (5, 532208), (8, 332630), (10, 266104), (16, 166315), (20, 133052), (29, 91760), (31, 85840), (37, 71920), (40, 66526), (58, 45880), (62, 42920), (74, 35960), (80, 33263), (116, 22940), (124, 21460), (145, 18352), (148, 17980), (155, 17168), (185, 14384), (232, 11470), (248, 10730), (290, 9176), (296, 8990), (310, 8584), (370, 7192), (464, 5735), (496, 5365), (580, 4588), (592, 4495), (620, 4292), (740, 3596), (899, 2960), (1073, 2480), (1147, 2320), (1160, 2294), (1240, 2146), (1480, 1798)]