240181640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3677}}^1$

素因数の和:3782

約数の個数: 64

約数和(自身を含む): 572002560

約数和(自身を除く): 331820920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 920, 1420, 1633, 2840, 3266, 3677, 6532, 7354, 8165, 13064, 14708, 16330, 18385, 29416, 32660, 36770, 65320, 73540, 84571, 147080, 169142, 261067, 338284, 422855, 522134, 676568, 845710, 1044268, 1305335, 1691420, 2088536, 2610670, 3382840, 5221340, 6004541, 10442680, 12009082, 24018164, 30022705, 48036328, 60045410, 120090820, 240181640]

約数ペア:

[(1, 240181640), (2, 120090820), (4, 60045410), (5, 48036328), (8, 30022705), (10, 24018164), (20, 12009082), (23, 10442680), (40, 6004541), (46, 5221340), (71, 3382840), (92, 2610670), (115, 2088536), (142, 1691420), (184, 1305335), (230, 1044268), (284, 845710), (355, 676568), (460, 522134), (568, 422855), (710, 338284), (920, 261067), (1420, 169142), (1633, 147080), (2840, 84571), (3266, 73540), (3677, 65320), (6532, 36770), (7354, 32660), (8165, 29416), (13064, 18385), (14708, 16330)]