31541640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20219}}^1$

素因数の和:20246

約数の個数: 64

約数和(自身を含む): 101908800

約数和(自身を除く): 70367160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20219, 40438, 60657, 80876, 101095, 121314, 161752, 202190, 242628, 262847, 303285, 404380, 485256, 525694, 606570, 788541, 808760, 1051388, 1213140, 1314235, 1577082, 2102776, 2426280, 2628470, 3154164, 3942705, 5256940, 6308328, 7885410, 10513880, 15770820, 31541640]

約数ペア:

[(1, 31541640), (2, 15770820), (3, 10513880), (4, 7885410), (5, 6308328), (6, 5256940), (8, 3942705), (10, 3154164), (12, 2628470), (13, 2426280), (15, 2102776), (20, 1577082), (24, 1314235), (26, 1213140), (30, 1051388), (39, 808760), (40, 788541), (52, 606570), (60, 525694), (65, 485256), (78, 404380), (104, 303285), (120, 262847), (130, 242628), (156, 202190), (195, 161752), (260, 121314), (312, 101095), (390, 80876), (520, 60657), (780, 40438), (1560, 20219)]