73642640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 182921328

約数和(自身を除く): 109278688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 272, 313, 340, 346, 626, 680, 692, 865, 1252, 1360, 1384, 1565, 1730, 2504, 2768, 2941, 3130, 3460, 5008, 5321, 5882, 6260, 6920, 10642, 11764, 12520, 13840, 14705, 21284, 23528, 25040, 26605, 29410, 42568, 47056, 53210, 54149, 58820, 85136, 106420, 108298, 117640, 212840, 216596, 235280, 270745, 425680, 433192, 541490, 866384, 920533, 1082980, 1841066, 2165960, 3682132, 4331920, 4602665, 7364264, 9205330, 14728528, 18410660, 36821320, 73642640]

約数ペア:

[(1, 73642640), (2, 36821320), (4, 18410660), (5, 14728528), (8, 9205330), (10, 7364264), (16, 4602665), (17, 4331920), (20, 3682132), (34, 2165960), (40, 1841066), (68, 1082980), (80, 920533), (85, 866384), (136, 541490), (170, 433192), (173, 425680), (272, 270745), (313, 235280), (340, 216596), (346, 212840), (626, 117640), (680, 108298), (692, 106420), (865, 85136), (1252, 58820), (1360, 54149), (1384, 53210), (1565, 47056), (1730, 42568), (2504, 29410), (2768, 26605), (2941, 25040), (3130, 23528), (3460, 21284), (5008, 14705), (5321, 13840), (5882, 12520), (6260, 11764), (6920, 10642)]