221299380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{23197}}^1$

素因数の和:23265

約数の個数: 72

約数和(自身を含む): 683969832

約数和(自身を除く): 462670452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 23197, 46394, 69591, 92788, 115985, 139182, 208773, 231970, 278364, 347955, 417546, 463940, 695910, 835092, 1043865, 1229441, 1391820, 2087730, 2458882, 3688323, 4175460, 4917764, 6147205, 7376646, 11064969, 12294410, 14753292, 18441615, 22129938, 24588820, 36883230, 44259876, 55324845, 73766460, 110649690, 221299380]

約数ペア:

[(1, 221299380), (2, 110649690), (3, 73766460), (4, 55324845), (5, 44259876), (6, 36883230), (9, 24588820), (10, 22129938), (12, 18441615), (15, 14753292), (18, 12294410), (20, 11064969), (30, 7376646), (36, 6147205), (45, 4917764), (53, 4175460), (60, 3688323), (90, 2458882), (106, 2087730), (159, 1391820), (180, 1229441), (212, 1043865), (265, 835092), (318, 695910), (477, 463940), (530, 417546), (636, 347955), (795, 278364), (954, 231970), (1060, 208773), (1590, 139182), (1908, 115985), (2385, 92788), (3180, 69591), (4770, 46394), (9540, 23197)]