51291840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 168

約数和(自身を含む): 171925488

約数和(自身を除く): 120633648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 101, 115, 120, 138, 160, 184, 192, 202, 230, 240, 276, 303, 320, 345, 368, 404, 460, 480, 505, 529, 552, 606, 690, 736, 808, 920, 960, 1010, 1058, 1104, 1212, 1380, 1472, 1515, 1587, 1616, 1840, 2020, 2116, 2208, 2323, 2424, 2645, 2760, 3030, 3174, 3232, 3680, 4040, 4232, 4416, 4646, 4848, 5290, 5520, 6060, 6348, 6464, 6969, 7360, 7935, 8080, 8464, 9292, 9696, 10580, 11040, 11615, 12120, 12696, 13938, 15870, 16160, 16928, 18584, 19392, 21160, 22080, 23230, 24240, 25392, 27876, 31740, 32320, 33856, 34845, 37168, 42320, 46460, 48480, 50784, 53429, 55752, 63480, 69690, 74336, 84640, 92920, 96960, 101568, 106858, 111504, 126960, 139380, 148672, 160287, 169280, 185840, 213716, 223008, 253920, 267145, 278760, 320574, 371680, 427432, 446016, 507840, 534290, 557520, 641148, 743360, 801435, 854864, 1068580, 1115040, 1282296, 1602870, 1709728, 2137160, 2230080, 2564592, 3205740, 3419456, 4274320, 5129184, 6411480, 8548640, 10258368, 12822960, 17097280, 25645920, 51291840]

約数ペア:

[(1, 51291840), (2, 25645920), (3, 17097280), (4, 12822960), (5, 10258368), (6, 8548640), (8, 6411480), (10, 5129184), (12, 4274320), (15, 3419456), (16, 3205740), (20, 2564592), (23, 2230080), (24, 2137160), (30, 1709728), (32, 1602870), (40, 1282296), (46, 1115040), (48, 1068580), (60, 854864), (64, 801435), (69, 743360), (80, 641148), (92, 557520), (96, 534290), (101, 507840), (115, 446016), (120, 427432), (138, 371680), (160, 320574), (184, 278760), (192, 267145), (202, 253920), (230, 223008), (240, 213716), (276, 185840), (303, 169280), (320, 160287), (345, 148672), (368, 139380), (404, 126960), (460, 111504), (480, 106858), (505, 101568), (529, 96960), (552, 92920), (606, 84640), (690, 74336), (736, 69690), (808, 63480), (920, 55752), (960, 53429), (1010, 50784), (1058, 48480), (1104, 46460), (1212, 42320), (1380, 37168), (1472, 34845), (1515, 33856), (1587, 32320), (1616, 31740), (1840, 27876), (2020, 25392), (2116, 24240), (2208, 23230), (2323, 22080), (2424, 21160), (2645, 19392), (2760, 18584), (3030, 16928), (3174, 16160), (3232, 15870), (3680, 13938), (4040, 12696), (4232, 12120), (4416, 11615), (4646, 11040), (4848, 10580), (5290, 9696), (5520, 9292), (6060, 8464), (6348, 8080), (6464, 7935), (6969, 7360)]