72420920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1197

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 120631240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 143, 220, 242, 260, 286, 440, 484, 520, 572, 605, 715, 968, 1144, 1151, 1210, 1430, 1573, 2302, 2420, 2860, 3146, 4604, 4840, 5720, 5755, 6292, 7865, 9208, 11510, 12584, 12661, 14963, 15730, 23020, 25322, 29926, 31460, 46040, 50644, 59852, 62920, 63305, 74815, 101288, 119704, 126610, 139271, 149630, 164593, 253220, 278542, 299260, 329186, 506440, 557084, 598520, 658372, 696355, 822965, 1114168, 1316744, 1392710, 1645930, 1810523, 2785420, 3291860, 3621046, 5570840, 6583720, 7242092, 9052615, 14484184, 18105230, 36210460, 72420920]

約数ペア:

[(1, 72420920), (2, 36210460), (4, 18105230), (5, 14484184), (8, 9052615), (10, 7242092), (11, 6583720), (13, 5570840), (20, 3621046), (22, 3291860), (26, 2785420), (40, 1810523), (44, 1645930), (52, 1392710), (55, 1316744), (65, 1114168), (88, 822965), (104, 696355), (110, 658372), (121, 598520), (130, 557084), (143, 506440), (220, 329186), (242, 299260), (260, 278542), (286, 253220), (440, 164593), (484, 149630), (520, 139271), (572, 126610), (605, 119704), (715, 101288), (968, 74815), (1144, 63305), (1151, 62920), (1210, 59852), (1430, 50644), (1573, 46040), (2302, 31460), (2420, 29926), (2860, 25322), (3146, 23020), (4604, 15730), (4840, 14963), (5720, 12661), (5755, 12584), (6292, 11510), (7865, 9208)]