64965840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15923}}^1$

素因数の和:15956

約数の個数: 80

約数和(自身を含む): 213254208

約数和(自身を除く): 148288368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 15923, 31846, 47769, 63692, 79615, 95538, 127384, 159230, 191076, 238845, 254768, 270691, 318460, 382152, 477690, 541382, 636920, 764304, 812073, 955380, 1082764, 1273840, 1353455, 1624146, 1910760, 2165528, 2706910, 3248292, 3821520, 4060365, 4331056, 5413820, 6496584, 8120730, 10827640, 12993168, 16241460, 21655280, 32482920, 64965840]

約数ペア:

[(1, 64965840), (2, 32482920), (3, 21655280), (4, 16241460), (5, 12993168), (6, 10827640), (8, 8120730), (10, 6496584), (12, 5413820), (15, 4331056), (16, 4060365), (17, 3821520), (20, 3248292), (24, 2706910), (30, 2165528), (34, 1910760), (40, 1624146), (48, 1353455), (51, 1273840), (60, 1082764), (68, 955380), (80, 812073), (85, 764304), (102, 636920), (120, 541382), (136, 477690), (170, 382152), (204, 318460), (240, 270691), (255, 254768), (272, 238845), (340, 191076), (408, 159230), (510, 127384), (680, 95538), (816, 79615), (1020, 63692), (1360, 47769), (2040, 31846), (4080, 15923)]