51712020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:391

約数の個数: 120

約数和(自身を含む): 164107944

約数和(自身を除く): 112395924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 233, 270, 274, 324, 405, 411, 466, 540, 548, 685, 699, 810, 822, 932, 1165, 1233, 1370, 1398, 1620, 1644, 2055, 2097, 2330, 2466, 2740, 2796, 3495, 3699, 4110, 4194, 4660, 4932, 6165, 6291, 6990, 7398, 8220, 8388, 10485, 11097, 12330, 12582, 13980, 14796, 18495, 18873, 20970, 22194, 24660, 25164, 31455, 31921, 36990, 37746, 41940, 44388, 55485, 62910, 63842, 73980, 75492, 94365, 95763, 110970, 125820, 127684, 159605, 188730, 191526, 221940, 287289, 319210, 377460, 383052, 478815, 574578, 638420, 861867, 957630, 1149156, 1436445, 1723734, 1915260, 2585601, 2872890, 3447468, 4309335, 5171202, 5745780, 8618670, 10342404, 12928005, 17237340, 25856010, 51712020]

約数ペア:

[(1, 51712020), (2, 25856010), (3, 17237340), (4, 12928005), (5, 10342404), (6, 8618670), (9, 5745780), (10, 5171202), (12, 4309335), (15, 3447468), (18, 2872890), (20, 2585601), (27, 1915260), (30, 1723734), (36, 1436445), (45, 1149156), (54, 957630), (60, 861867), (81, 638420), (90, 574578), (108, 478815), (135, 383052), (137, 377460), (162, 319210), (180, 287289), (233, 221940), (270, 191526), (274, 188730), (324, 159605), (405, 127684), (411, 125820), (466, 110970), (540, 95763), (548, 94365), (685, 75492), (699, 73980), (810, 63842), (822, 62910), (932, 55485), (1165, 44388), (1233, 41940), (1370, 37746), (1398, 36990), (1620, 31921), (1644, 31455), (2055, 25164), (2097, 24660), (2330, 22194), (2466, 20970), (2740, 18873), (2796, 18495), (3495, 14796), (3699, 13980), (4110, 12582), (4194, 12330), (4660, 11097), (4932, 10485), (6165, 8388), (6291, 8220), (6990, 7398)]