65161880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{569}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 168264000

約数和(自身を除く): 103102120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 569, 818, 1138, 1636, 2045, 2276, 2845, 2863, 3272, 3983, 4090, 4552, 5690, 5726, 7966, 8180, 11380, 11452, 14315, 15932, 16360, 19915, 22760, 22904, 28630, 31864, 39830, 57260, 79660, 114520, 159320, 232721, 465442, 930884, 1163605, 1629047, 1861768, 2327210, 3258094, 4654420, 6516188, 8145235, 9308840, 13032376, 16290470, 32580940, 65161880]

約数ペア:

[(1, 65161880), (2, 32580940), (4, 16290470), (5, 13032376), (7, 9308840), (8, 8145235), (10, 6516188), (14, 4654420), (20, 3258094), (28, 2327210), (35, 1861768), (40, 1629047), (56, 1163605), (70, 930884), (140, 465442), (280, 232721), (409, 159320), (569, 114520), (818, 79660), (1138, 57260), (1636, 39830), (2045, 31864), (2276, 28630), (2845, 22904), (2863, 22760), (3272, 19915), (3983, 16360), (4090, 15932), (4552, 14315), (5690, 11452), (5726, 11380), (7966, 8180)]