280109826

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:645

約数の個数: 80

約数和(自身を含む): 651657600

約数和(自身を除く): 371547774

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 79, 81, 86, 129, 158, 162, 237, 258, 387, 474, 509, 711, 774, 1018, 1161, 1422, 1527, 2133, 2322, 3054, 3397, 3483, 4266, 4581, 6399, 6794, 6966, 9162, 10191, 12798, 13743, 20382, 21887, 27486, 30573, 40211, 41229, 43774, 61146, 65661, 80422, 82458, 91719, 120633, 131322, 183438, 196983, 241266, 275157, 361899, 393966, 550314, 590949, 723798, 1085697, 1181898, 1729073, 1772847, 2171394, 3257091, 3458146, 3545694, 5187219, 6514182, 10374438, 15561657, 31123314, 46684971, 93369942, 140054913, 280109826]

約数ペア:

[(1, 280109826), (2, 140054913), (3, 93369942), (6, 46684971), (9, 31123314), (18, 15561657), (27, 10374438), (43, 6514182), (54, 5187219), (79, 3545694), (81, 3458146), (86, 3257091), (129, 2171394), (158, 1772847), (162, 1729073), (237, 1181898), (258, 1085697), (387, 723798), (474, 590949), (509, 550314), (711, 393966), (774, 361899), (1018, 275157), (1161, 241266), (1422, 196983), (1527, 183438), (2133, 131322), (2322, 120633), (3054, 91719), (3397, 82458), (3483, 80422), (4266, 65661), (4581, 61146), (6399, 43774), (6794, 41229), (6966, 40211), (9162, 30573), (10191, 27486), (12798, 21887), (13743, 20382)]