868173680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:615

約数の個数: 160

約数和(自身を含む): 2354635008

約数和(自身を除く): 1486461328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 131, 136, 170, 176, 187, 220, 262, 272, 340, 374, 440, 443, 524, 655, 680, 748, 880, 886, 935, 1048, 1310, 1360, 1441, 1496, 1772, 1870, 2096, 2215, 2227, 2620, 2882, 2992, 3544, 3740, 4430, 4454, 4873, 5240, 5764, 7088, 7205, 7480, 7531, 8860, 8908, 9746, 10480, 11135, 11528, 14410, 14960, 15062, 17720, 17816, 19492, 22270, 23056, 24365, 24497, 28820, 30124, 35440, 35632, 37655, 38984, 44540, 48730, 48994, 57640, 58033, 60248, 75310, 77968, 82841, 89080, 97460, 97988, 115280, 116066, 120496, 122485, 150620, 165682, 178160, 194920, 195976, 232132, 244970, 290165, 301240, 331364, 389840, 391952, 414205, 464264, 489940, 580330, 602480, 638363, 662728, 828410, 928528, 979880, 986561, 1160660, 1276726, 1325456, 1656820, 1959760, 1973122, 2321320, 2553452, 3191815, 3313640, 3946244, 4642640, 4932805, 5106904, 6383630, 6627280, 7892488, 9865610, 10213808, 10852171, 12767260, 15784976, 19731220, 21704342, 25534520, 39462440, 43408684, 51069040, 54260855, 78924880, 86817368, 108521710, 173634736, 217043420, 434086840, 868173680]

約数ペア:

[(1, 868173680), (2, 434086840), (4, 217043420), (5, 173634736), (8, 108521710), (10, 86817368), (11, 78924880), (16, 54260855), (17, 51069040), (20, 43408684), (22, 39462440), (34, 25534520), (40, 21704342), (44, 19731220), (55, 15784976), (68, 12767260), (80, 10852171), (85, 10213808), (88, 9865610), (110, 7892488), (131, 6627280), (136, 6383630), (170, 5106904), (176, 4932805), (187, 4642640), (220, 3946244), (262, 3313640), (272, 3191815), (340, 2553452), (374, 2321320), (440, 1973122), (443, 1959760), (524, 1656820), (655, 1325456), (680, 1276726), (748, 1160660), (880, 986561), (886, 979880), (935, 928528), (1048, 828410), (1310, 662728), (1360, 638363), (1441, 602480), (1496, 580330), (1772, 489940), (1870, 464264), (2096, 414205), (2215, 391952), (2227, 389840), (2620, 331364), (2882, 301240), (2992, 290165), (3544, 244970), (3740, 232132), (4430, 195976), (4454, 194920), (4873, 178160), (5240, 165682), (5764, 150620), (7088, 122485), (7205, 120496), (7480, 116066), (7531, 115280), (8860, 97988), (8908, 97460), (9746, 89080), (10480, 82841), (11135, 77968), (11528, 75310), (14410, 60248), (14960, 58033), (15062, 57640), (17720, 48994), (17816, 48730), (19492, 44540), (22270, 38984), (23056, 37655), (24365, 35632), (24497, 35440), (28820, 30124)]