198860520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1999}}^1$

素因数の和:2842

約数の個数: 64

約数和(自身を含む): 597600000

約数和(自身を除く): 398739480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 829, 1658, 1999, 2487, 3316, 3998, 4145, 4974, 5997, 6632, 7996, 8290, 9948, 9995, 11994, 12435, 15992, 16580, 19896, 19990, 23988, 24870, 29985, 33160, 39980, 47976, 49740, 59970, 79960, 99480, 119940, 239880, 1657171, 3314342, 4971513, 6628684, 8285855, 9943026, 13257368, 16571710, 19886052, 24857565, 33143420, 39772104, 49715130, 66286840, 99430260, 198860520]

約数ペア:

[(1, 198860520), (2, 99430260), (3, 66286840), (4, 49715130), (5, 39772104), (6, 33143420), (8, 24857565), (10, 19886052), (12, 16571710), (15, 13257368), (20, 9943026), (24, 8285855), (30, 6628684), (40, 4971513), (60, 3314342), (120, 1657171), (829, 239880), (1658, 119940), (1999, 99480), (2487, 79960), (3316, 59970), (3998, 49740), (4145, 47976), (4974, 39980), (5997, 33160), (6632, 29985), (7996, 24870), (8290, 23988), (9948, 19990), (9995, 19896), (11994, 16580), (12435, 15992)]