31186620

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 192

約数和(自身を含む): 105799680

約数和(自身を除く): 74613060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 31, 36, 45, 46, 54, 60, 62, 69, 81, 90, 92, 93, 108, 115, 124, 135, 138, 155, 162, 180, 186, 207, 230, 243, 270, 276, 279, 310, 324, 345, 372, 405, 414, 460, 465, 486, 540, 558, 620, 621, 690, 713, 729, 810, 828, 837, 930, 972, 1035, 1116, 1215, 1242, 1380, 1395, 1426, 1458, 1620, 1674, 1860, 1863, 2070, 2139, 2187, 2430, 2484, 2511, 2790, 2852, 2916, 3105, 3348, 3565, 3645, 3726, 4140, 4185, 4278, 4374, 4860, 5022, 5580, 5589, 6210, 6417, 7130, 7290, 7452, 7533, 8370, 8556, 8748, 9315, 10044, 10695, 10935, 11178, 12420, 12555, 12834, 14260, 14580, 15066, 16740, 16767, 18630, 19251, 21390, 21870, 22356, 22599, 25110, 25668, 27945, 30132, 32085, 33534, 37260, 37665, 38502, 42780, 43740, 45198, 50220, 50301, 55890, 57753, 64170, 67068, 67797, 75330, 77004, 83835, 90396, 96255, 100602, 111780, 112995, 115506, 128340, 135594, 150660, 167670, 173259, 192510, 201204, 225990, 231012, 251505, 271188, 288765, 335340, 338985, 346518, 385020, 451980, 503010, 519777, 577530, 677970, 693036, 866295, 1006020, 1039554, 1155060, 1355940, 1559331, 1732590, 2079108, 2598885, 3118662, 3465180, 5197770, 6237324, 7796655, 10395540, 15593310, 31186620]

約数ペア:

[(1, 31186620), (2, 15593310), (3, 10395540), (4, 7796655), (5, 6237324), (6, 5197770), (9, 3465180), (10, 3118662), (12, 2598885), (15, 2079108), (18, 1732590), (20, 1559331), (23, 1355940), (27, 1155060), (30, 1039554), (31, 1006020), (36, 866295), (45, 693036), (46, 677970), (54, 577530), (60, 519777), (62, 503010), (69, 451980), (81, 385020), (90, 346518), (92, 338985), (93, 335340), (108, 288765), (115, 271188), (124, 251505), (135, 231012), (138, 225990), (155, 201204), (162, 192510), (180, 173259), (186, 167670), (207, 150660), (230, 135594), (243, 128340), (270, 115506), (276, 112995), (279, 111780), (310, 100602), (324, 96255), (345, 90396), (372, 83835), (405, 77004), (414, 75330), (460, 67797), (465, 67068), (486, 64170), (540, 57753), (558, 55890), (620, 50301), (621, 50220), (690, 45198), (713, 43740), (729, 42780), (810, 38502), (828, 37665), (837, 37260), (930, 33534), (972, 32085), (1035, 30132), (1116, 27945), (1215, 25668), (1242, 25110), (1380, 22599), (1395, 22356), (1426, 21870), (1458, 21390), (1620, 19251), (1674, 18630), (1860, 16767), (1863, 16740), (2070, 15066), (2139, 14580), (2187, 14260), (2430, 12834), (2484, 12555), (2511, 12420), (2790, 11178), (2852, 10935), (2916, 10695), (3105, 10044), (3348, 9315), (3565, 8748), (3645, 8556), (3726, 8370), (4140, 7533), (4185, 7452), (4278, 7290), (4374, 7130), (4860, 6417), (5022, 6210), (5580, 5589)]