64782180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39989}}^1$

素因数の和:40010

約数の個数: 60

約数和(自身を含む): 203229180

約数和(自身を除く): 138447000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 39989, 79978, 119967, 159956, 199945, 239934, 359901, 399890, 479868, 599835, 719802, 799780, 1079703, 1199670, 1439604, 1799505, 2159406, 2399340, 3239109, 3599010, 4318812, 5398515, 6478218, 7198020, 10797030, 12956436, 16195545, 21594060, 32391090, 64782180]

約数ペア:

[(1, 64782180), (2, 32391090), (3, 21594060), (4, 16195545), (5, 12956436), (6, 10797030), (9, 7198020), (10, 6478218), (12, 5398515), (15, 4318812), (18, 3599010), (20, 3239109), (27, 2399340), (30, 2159406), (36, 1799505), (45, 1439604), (54, 1199670), (60, 1079703), (81, 799780), (90, 719802), (108, 599835), (135, 479868), (162, 399890), (180, 359901), (270, 239934), (324, 199945), (405, 159956), (540, 119967), (810, 79978), (1620, 39989)]