31484940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{919}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 88408320

約数和(自身を除く): 56923380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 571, 919, 1142, 1713, 1838, 2284, 2757, 2855, 3426, 3676, 4595, 5514, 5710, 6852, 8565, 9190, 11028, 11420, 13785, 17130, 18380, 27570, 34260, 55140, 524749, 1049498, 1574247, 2098996, 2623745, 3148494, 5247490, 6296988, 7871235, 10494980, 15742470, 31484940]

約数ペア:

[(1, 31484940), (2, 15742470), (3, 10494980), (4, 7871235), (5, 6296988), (6, 5247490), (10, 3148494), (12, 2623745), (15, 2098996), (20, 1574247), (30, 1049498), (60, 524749), (571, 55140), (919, 34260), (1142, 27570), (1713, 18380), (1838, 17130), (2284, 13785), (2757, 11420), (2855, 11028), (3426, 9190), (3676, 8565), (4595, 6852), (5514, 5710)]