31509840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7723}}^1$

素因数の和:7756

約数の個数: 80

約数和(自身を含む): 103439808

約数和(自身を除く): 71929968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 7723, 15446, 23169, 30892, 38615, 46338, 61784, 77230, 92676, 115845, 123568, 131291, 154460, 185352, 231690, 262582, 308920, 370704, 393873, 463380, 525164, 617840, 656455, 787746, 926760, 1050328, 1312910, 1575492, 1853520, 1969365, 2100656, 2625820, 3150984, 3938730, 5251640, 6301968, 7877460, 10503280, 15754920, 31509840]

約数ペア:

[(1, 31509840), (2, 15754920), (3, 10503280), (4, 7877460), (5, 6301968), (6, 5251640), (8, 3938730), (10, 3150984), (12, 2625820), (15, 2100656), (16, 1969365), (17, 1853520), (20, 1575492), (24, 1312910), (30, 1050328), (34, 926760), (40, 787746), (48, 656455), (51, 617840), (60, 525164), (68, 463380), (80, 393873), (85, 370704), (102, 308920), (120, 262582), (136, 231690), (170, 185352), (204, 154460), (240, 131291), (255, 123568), (272, 115845), (340, 92676), (408, 77230), (510, 61784), (680, 46338), (816, 38615), (1020, 30892), (1360, 23169), (2040, 15446), (4080, 7723)]