145677880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 338826240

約数和(自身を除く): 193148360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 257, 296, 370, 383, 514, 740, 766, 1028, 1285, 1480, 1532, 1915, 2056, 2570, 3064, 3830, 5140, 7660, 9509, 10280, 14171, 15320, 19018, 28342, 38036, 47545, 56684, 70855, 76072, 95090, 98431, 113368, 141710, 190180, 196862, 283420, 380360, 393724, 492155, 566840, 787448, 984310, 1968620, 3641947, 3937240, 7283894, 14567788, 18209735, 29135576, 36419470, 72838940, 145677880]

約数ペア:

[(1, 145677880), (2, 72838940), (4, 36419470), (5, 29135576), (8, 18209735), (10, 14567788), (20, 7283894), (37, 3937240), (40, 3641947), (74, 1968620), (148, 984310), (185, 787448), (257, 566840), (296, 492155), (370, 393724), (383, 380360), (514, 283420), (740, 196862), (766, 190180), (1028, 141710), (1285, 113368), (1480, 98431), (1532, 95090), (1915, 76072), (2056, 70855), (2570, 56684), (3064, 47545), (3830, 38036), (5140, 28342), (7660, 19018), (9509, 15320), (10280, 14171)]