30757420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 69558048

約数和(自身を除く): 38800628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1483, 2074, 2966, 4148, 5185, 5932, 7415, 10370, 14830, 20740, 25211, 29660, 50422, 90463, 100844, 126055, 180926, 252110, 361852, 452315, 504220, 904630, 1537871, 1809260, 3075742, 6151484, 7689355, 15378710, 30757420]

約数ペア:

[(1, 30757420), (2, 15378710), (4, 7689355), (5, 6151484), (10, 3075742), (17, 1809260), (20, 1537871), (34, 904630), (61, 504220), (68, 452315), (85, 361852), (122, 252110), (170, 180926), (244, 126055), (305, 100844), (340, 90463), (610, 50422), (1037, 29660), (1220, 25211), (1483, 20740), (2074, 14830), (2966, 10370), (4148, 7415), (5185, 5932)]