81523160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1187}}^1$

素因数の和:1316

約数の個数: 64

約数和(自身を含む): 196305120

約数和(自身を除く): 114781960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 505, 680, 808, 1010, 1187, 1717, 2020, 2374, 3434, 4040, 4748, 5935, 6868, 8585, 9496, 11870, 13736, 17170, 20179, 23740, 34340, 40358, 47480, 68680, 80716, 100895, 119887, 161432, 201790, 239774, 403580, 479548, 599435, 807160, 959096, 1198870, 2038079, 2397740, 4076158, 4795480, 8152316, 10190395, 16304632, 20380790, 40761580, 81523160]

約数ペア:

[(1, 81523160), (2, 40761580), (4, 20380790), (5, 16304632), (8, 10190395), (10, 8152316), (17, 4795480), (20, 4076158), (34, 2397740), (40, 2038079), (68, 1198870), (85, 959096), (101, 807160), (136, 599435), (170, 479548), (202, 403580), (340, 239774), (404, 201790), (505, 161432), (680, 119887), (808, 100895), (1010, 80716), (1187, 68680), (1717, 47480), (2020, 40358), (2374, 34340), (3434, 23740), (4040, 20179), (4748, 17170), (5935, 13736), (6868, 11870), (8585, 9496)]