9840870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 72

約数和(自身を含む): 27748656

約数和(自身を除く): 17907786

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 647, 845, 1014, 1170, 1294, 1521, 1690, 1941, 2535, 3042, 3235, 3882, 5070, 5823, 6470, 7605, 8411, 9705, 11646, 15210, 16822, 19410, 25233, 29115, 42055, 50466, 58230, 75699, 84110, 109343, 126165, 151398, 218686, 252330, 328029, 378495, 546715, 656058, 756990, 984087, 1093430, 1640145, 1968174, 3280290, 4920435, 9840870]

約数ペア:

[(1, 9840870), (2, 4920435), (3, 3280290), (5, 1968174), (6, 1640145), (9, 1093430), (10, 984087), (13, 756990), (15, 656058), (18, 546715), (26, 378495), (30, 328029), (39, 252330), (45, 218686), (65, 151398), (78, 126165), (90, 109343), (117, 84110), (130, 75699), (169, 58230), (195, 50466), (234, 42055), (338, 29115), (390, 25233), (507, 19410), (585, 16822), (647, 15210), (845, 11646), (1014, 9705), (1170, 8411), (1294, 7605), (1521, 6470), (1690, 5823), (1941, 5070), (2535, 3882), (3042, 3235)]