61991640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{172199}}^1$

素因数の和:172216

約数の個数: 48

約数和(自身を含む): 201474000

約数和(自身を除く): 139482360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 172199, 344398, 516597, 688796, 860995, 1033194, 1377592, 1549791, 1721990, 2066388, 2582985, 3099582, 3443980, 4132776, 5165970, 6199164, 6887960, 7748955, 10331940, 12398328, 15497910, 20663880, 30995820, 61991640]

約数ペア:

[(1, 61991640), (2, 30995820), (3, 20663880), (4, 15497910), (5, 12398328), (6, 10331940), (8, 7748955), (9, 6887960), (10, 6199164), (12, 5165970), (15, 4132776), (18, 3443980), (20, 3099582), (24, 2582985), (30, 2066388), (36, 1721990), (40, 1549791), (45, 1377592), (60, 1033194), (72, 860995), (90, 688796), (120, 516597), (180, 344398), (360, 172199)]