71047620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:634

約数の個数: 144

約数和(自身を含む): 248976000

約数和(自身を除く): 177928380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 210, 226, 252, 315, 339, 420, 452, 499, 565, 630, 678, 791, 998, 1017, 1130, 1260, 1356, 1497, 1582, 1695, 1996, 2034, 2260, 2373, 2495, 2994, 3164, 3390, 3493, 3955, 4068, 4491, 4746, 4990, 5085, 5988, 6780, 6986, 7119, 7485, 7910, 8982, 9492, 9980, 10170, 10479, 11865, 13972, 14238, 14970, 15820, 17465, 17964, 20340, 20958, 22455, 23730, 28476, 29940, 31437, 34930, 35595, 41916, 44910, 47460, 52395, 56387, 62874, 69860, 71190, 89820, 104790, 112774, 125748, 142380, 157185, 169161, 209580, 225548, 281935, 314370, 338322, 394709, 507483, 563870, 628740, 676644, 789418, 845805, 1014966, 1127740, 1184127, 1578836, 1691610, 1973545, 2029932, 2368254, 2537415, 3383220, 3552381, 3947090, 4736508, 5074830, 5920635, 7104762, 7894180, 10149660, 11841270, 14209524, 17761905, 23682540, 35523810, 71047620]

約数ペア:

[(1, 71047620), (2, 35523810), (3, 23682540), (4, 17761905), (5, 14209524), (6, 11841270), (7, 10149660), (9, 7894180), (10, 7104762), (12, 5920635), (14, 5074830), (15, 4736508), (18, 3947090), (20, 3552381), (21, 3383220), (28, 2537415), (30, 2368254), (35, 2029932), (36, 1973545), (42, 1691610), (45, 1578836), (60, 1184127), (63, 1127740), (70, 1014966), (84, 845805), (90, 789418), (105, 676644), (113, 628740), (126, 563870), (140, 507483), (180, 394709), (210, 338322), (226, 314370), (252, 281935), (315, 225548), (339, 209580), (420, 169161), (452, 157185), (499, 142380), (565, 125748), (630, 112774), (678, 104790), (791, 89820), (998, 71190), (1017, 69860), (1130, 62874), (1260, 56387), (1356, 52395), (1497, 47460), (1582, 44910), (1695, 41916), (1996, 35595), (2034, 34930), (2260, 31437), (2373, 29940), (2495, 28476), (2994, 23730), (3164, 22455), (3390, 20958), (3493, 20340), (3955, 17964), (4068, 17465), (4491, 15820), (4746, 14970), (4990, 14238), (5085, 13972), (5988, 11865), (6780, 10479), (6986, 10170), (7119, 9980), (7485, 9492), (7910, 8982)]