68937040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 171270288

約数和(自身を除く): 102333248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 272, 293, 340, 346, 586, 680, 692, 865, 1172, 1360, 1384, 1465, 1730, 2344, 2768, 2930, 2941, 3460, 4688, 4981, 5860, 5882, 6920, 9962, 11720, 11764, 13840, 14705, 19924, 23440, 23528, 24905, 29410, 39848, 47056, 49810, 50689, 58820, 79696, 99620, 101378, 117640, 199240, 202756, 235280, 253445, 398480, 405512, 506890, 811024, 861713, 1013780, 1723426, 2027560, 3446852, 4055120, 4308565, 6893704, 8617130, 13787408, 17234260, 34468520, 68937040]

約数ペア:

[(1, 68937040), (2, 34468520), (4, 17234260), (5, 13787408), (8, 8617130), (10, 6893704), (16, 4308565), (17, 4055120), (20, 3446852), (34, 2027560), (40, 1723426), (68, 1013780), (80, 861713), (85, 811024), (136, 506890), (170, 405512), (173, 398480), (272, 253445), (293, 235280), (340, 202756), (346, 199240), (586, 117640), (680, 101378), (692, 99620), (865, 79696), (1172, 58820), (1360, 50689), (1384, 49810), (1465, 47056), (1730, 39848), (2344, 29410), (2768, 24905), (2930, 23528), (2941, 23440), (3460, 19924), (4688, 14705), (4981, 13840), (5860, 11764), (5882, 11720), (6920, 9962)]