68812575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 126621360

約数和(自身を除く): 57808785

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 89, 169, 183, 195, 267, 305, 325, 445, 507, 793, 845, 915, 975, 1157, 1335, 1525, 2225, 2379, 2535, 3471, 3965, 4225, 4575, 5429, 5785, 6675, 10309, 11895, 12675, 15041, 16287, 17355, 19825, 27145, 28925, 30927, 45123, 51545, 59475, 70577, 75205, 81435, 86775, 135725, 154635, 211731, 225615, 257725, 352885, 376025, 407175, 773175, 917501, 1058655, 1128075, 1764425, 2752503, 4587505, 5293275, 13762515, 22937525, 68812575]

約数ペア:

[(1, 68812575), (3, 22937525), (5, 13762515), (13, 5293275), (15, 4587505), (25, 2752503), (39, 1764425), (61, 1128075), (65, 1058655), (75, 917501), (89, 773175), (169, 407175), (183, 376025), (195, 352885), (267, 257725), (305, 225615), (325, 211731), (445, 154635), (507, 135725), (793, 86775), (845, 81435), (915, 75205), (975, 70577), (1157, 59475), (1335, 51545), (1525, 45123), (2225, 30927), (2379, 28925), (2535, 27145), (3471, 19825), (3965, 17355), (4225, 16287), (4575, 15041), (5429, 12675), (5785, 11895), (6675, 10309)]