154980160

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:984

約数の個数: 112

約数和(自身を含む): 403799040

約数和(自身を除く): 248818880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 919, 992, 1054, 1088, 1240, 1360, 1838, 1984, 2108, 2480, 2635, 2720, 3676, 4216, 4595, 4960, 5270, 5440, 7352, 8432, 9190, 9920, 10540, 14704, 15623, 16864, 18380, 21080, 28489, 29408, 31246, 33728, 36760, 42160, 56978, 58816, 62492, 73520, 78115, 84320, 113956, 124984, 142445, 147040, 156230, 168640, 227912, 249968, 284890, 294080, 312460, 455824, 484313, 499936, 569780, 624920, 911648, 968626, 999872, 1139560, 1249840, 1823296, 1937252, 2279120, 2421565, 2499680, 3874504, 4558240, 4843130, 4999360, 7749008, 9116480, 9686260, 15498016, 19372520, 30996032, 38745040, 77490080, 154980160]

約数ペア:

[(1, 154980160), (2, 77490080), (4, 38745040), (5, 30996032), (8, 19372520), (10, 15498016), (16, 9686260), (17, 9116480), (20, 7749008), (31, 4999360), (32, 4843130), (34, 4558240), (40, 3874504), (62, 2499680), (64, 2421565), (68, 2279120), (80, 1937252), (85, 1823296), (124, 1249840), (136, 1139560), (155, 999872), (160, 968626), (170, 911648), (248, 624920), (272, 569780), (310, 499936), (320, 484313), (340, 455824), (496, 312460), (527, 294080), (544, 284890), (620, 249968), (680, 227912), (919, 168640), (992, 156230), (1054, 147040), (1088, 142445), (1240, 124984), (1360, 113956), (1838, 84320), (1984, 78115), (2108, 73520), (2480, 62492), (2635, 58816), (2720, 56978), (3676, 42160), (4216, 36760), (4595, 33728), (4960, 31246), (5270, 29408), (5440, 28489), (7352, 21080), (8432, 18380), (9190, 16864), (9920, 15623), (10540, 14704)]