645443080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1\times {\mathrm{1013}}^1$

素因数の和:1978

約数の個数: 64

約数和(自身を含む): 1540833840

約数和(自身を除く): 895390760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 937, 1013, 1874, 2026, 3748, 4052, 4685, 5065, 7496, 8104, 9370, 10130, 15929, 17221, 18740, 20260, 31858, 34442, 37480, 40520, 63716, 68884, 79645, 86105, 127432, 137768, 159290, 172210, 318580, 344420, 637160, 688840, 949181, 1898362, 3796724, 4745905, 7593448, 9491810, 16136077, 18983620, 32272154, 37967240, 64544308, 80680385, 129088616, 161360770, 322721540, 645443080]

約数ペア:

[(1, 645443080), (2, 322721540), (4, 161360770), (5, 129088616), (8, 80680385), (10, 64544308), (17, 37967240), (20, 32272154), (34, 18983620), (40, 16136077), (68, 9491810), (85, 7593448), (136, 4745905), (170, 3796724), (340, 1898362), (680, 949181), (937, 688840), (1013, 637160), (1874, 344420), (2026, 318580), (3748, 172210), (4052, 159290), (4685, 137768), (5065, 127432), (7496, 86105), (8104, 79645), (9370, 68884), (10130, 63716), (15929, 40520), (17221, 37480), (18740, 34442), (20260, 31858)]