68465475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 134053920

約数和(自身を除く): 65588445

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 89, 117, 195, 225, 263, 267, 325, 445, 585, 789, 801, 975, 1157, 1315, 1335, 2225, 2367, 2925, 3419, 3471, 3945, 4005, 5785, 6575, 6675, 10257, 10413, 11835, 17095, 17355, 19725, 20025, 23407, 28925, 30771, 51285, 52065, 59175, 70221, 85475, 86775, 117035, 153855, 210663, 256425, 260325, 304291, 351105, 585175, 769275, 912873, 1053315, 1521455, 1755525, 2738619, 4564365, 5266575, 7607275, 13693095, 22821825, 68465475]

約数ペア:

[(1, 68465475), (3, 22821825), (5, 13693095), (9, 7607275), (13, 5266575), (15, 4564365), (25, 2738619), (39, 1755525), (45, 1521455), (65, 1053315), (75, 912873), (89, 769275), (117, 585175), (195, 351105), (225, 304291), (263, 260325), (267, 256425), (325, 210663), (445, 153855), (585, 117035), (789, 86775), (801, 85475), (975, 70221), (1157, 59175), (1315, 52065), (1335, 51285), (2225, 30771), (2367, 28925), (2925, 23407), (3419, 20025), (3471, 19725), (3945, 17355), (4005, 17095), (5785, 11835), (6575, 10413), (6675, 10257)]