1639688580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{643}}^1$

素因数の和:1146

約数の個数: 144

約数和(自身を含む): 5153401344

約数和(自身を除く): 3513712764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 457, 465, 558, 620, 643, 914, 930, 1116, 1286, 1371, 1395, 1828, 1860, 1929, 2285, 2572, 2742, 2790, 3215, 3858, 4113, 4570, 5484, 5580, 5787, 6430, 6855, 7716, 8226, 9140, 9645, 11574, 12860, 13710, 14167, 16452, 19290, 19933, 20565, 23148, 27420, 28334, 28935, 38580, 39866, 41130, 42501, 56668, 57870, 59799, 70835, 79732, 82260, 85002, 99665, 115740, 119598, 127503, 141670, 170004, 179397, 199330, 212505, 239196, 255006, 283340, 293851, 298995, 358794, 398660, 425010, 510012, 587702, 597990, 637515, 717588, 850020, 881553, 896985, 1175404, 1195980, 1275030, 1469255, 1763106, 1793970, 2550060, 2644659, 2938510, 3526212, 3587940, 4407765, 5289318, 5877020, 8815530, 9109381, 10578636, 13223295, 17631060, 18218762, 26446590, 27328143, 36437524, 45546905, 52893180, 54656286, 81984429, 91093810, 109312572, 136640715, 163968858, 182187620, 273281430, 327937716, 409922145, 546562860, 819844290, 1639688580]

約数ペア:

[(1, 1639688580), (2, 819844290), (3, 546562860), (4, 409922145), (5, 327937716), (6, 273281430), (9, 182187620), (10, 163968858), (12, 136640715), (15, 109312572), (18, 91093810), (20, 81984429), (30, 54656286), (31, 52893180), (36, 45546905), (45, 36437524), (60, 27328143), (62, 26446590), (90, 18218762), (93, 17631060), (124, 13223295), (155, 10578636), (180, 9109381), (186, 8815530), (279, 5877020), (310, 5289318), (372, 4407765), (457, 3587940), (465, 3526212), (558, 2938510), (620, 2644659), (643, 2550060), (914, 1793970), (930, 1763106), (1116, 1469255), (1286, 1275030), (1371, 1195980), (1395, 1175404), (1828, 896985), (1860, 881553), (1929, 850020), (2285, 717588), (2572, 637515), (2742, 597990), (2790, 587702), (3215, 510012), (3858, 425010), (4113, 398660), (4570, 358794), (5484, 298995), (5580, 293851), (5787, 283340), (6430, 255006), (6855, 239196), (7716, 212505), (8226, 199330), (9140, 179397), (9645, 170004), (11574, 141670), (12860, 127503), (13710, 119598), (14167, 115740), (16452, 99665), (19290, 85002), (19933, 82260), (20565, 79732), (23148, 70835), (27420, 59799), (28334, 57870), (28935, 56668), (38580, 42501), (39866, 41130)]