138272560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 342540576

約数和(自身を除く): 204268016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 293, 340, 347, 586, 680, 694, 1172, 1360, 1388, 1465, 1735, 2344, 2776, 2930, 3470, 4688, 4981, 5552, 5860, 5899, 6940, 9962, 11720, 11798, 13880, 19924, 23440, 23596, 24905, 27760, 29495, 39848, 47192, 49810, 58990, 79696, 94384, 99620, 101671, 117980, 199240, 203342, 235960, 398480, 406684, 471920, 508355, 813368, 1016710, 1626736, 1728407, 2033420, 3456814, 4066840, 6913628, 8133680, 8642035, 13827256, 17284070, 27654512, 34568140, 69136280, 138272560]

約数ペア:

[(1, 138272560), (2, 69136280), (4, 34568140), (5, 27654512), (8, 17284070), (10, 13827256), (16, 8642035), (17, 8133680), (20, 6913628), (34, 4066840), (40, 3456814), (68, 2033420), (80, 1728407), (85, 1626736), (136, 1016710), (170, 813368), (272, 508355), (293, 471920), (340, 406684), (347, 398480), (586, 235960), (680, 203342), (694, 199240), (1172, 117980), (1360, 101671), (1388, 99620), (1465, 94384), (1735, 79696), (2344, 58990), (2776, 49810), (2930, 47192), (3470, 39848), (4688, 29495), (4981, 27760), (5552, 24905), (5860, 23596), (5899, 23440), (6940, 19924), (9962, 13880), (11720, 11798)]