74372720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29989}}^1$

素因数の和:30033

約数の個数: 40

約数和(自身を含む): 178500480

約数和(自身を除く): 104127760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 29989, 59978, 119956, 149945, 239912, 299890, 479824, 599780, 929659, 1199560, 1859318, 2399120, 3718636, 4648295, 7437272, 9296590, 14874544, 18593180, 37186360, 74372720]

約数ペア:

[(1, 74372720), (2, 37186360), (4, 18593180), (5, 14874544), (8, 9296590), (10, 7437272), (16, 4648295), (20, 3718636), (31, 2399120), (40, 1859318), (62, 1199560), (80, 929659), (124, 599780), (155, 479824), (248, 299890), (310, 239912), (496, 149945), (620, 119956), (1240, 59978), (2480, 29989)]