12931020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 41605200

約数和(自身を除く): 28674180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 199, 228, 285, 342, 361, 380, 398, 570, 597, 684, 722, 796, 855, 995, 1083, 1140, 1194, 1444, 1710, 1791, 1805, 1990, 2166, 2388, 2985, 3249, 3420, 3582, 3610, 3781, 3980, 4332, 5415, 5970, 6498, 7164, 7220, 7562, 8955, 10830, 11343, 11940, 12996, 15124, 16245, 17910, 18905, 21660, 22686, 32490, 34029, 35820, 37810, 45372, 56715, 64980, 68058, 71839, 75620, 113430, 136116, 143678, 170145, 215517, 226860, 287356, 340290, 359195, 431034, 646551, 680580, 718390, 862068, 1077585, 1293102, 1436780, 2155170, 2586204, 3232755, 4310340, 6465510, 12931020]

約数ペア:

[(1, 12931020), (2, 6465510), (3, 4310340), (4, 3232755), (5, 2586204), (6, 2155170), (9, 1436780), (10, 1293102), (12, 1077585), (15, 862068), (18, 718390), (19, 680580), (20, 646551), (30, 431034), (36, 359195), (38, 340290), (45, 287356), (57, 226860), (60, 215517), (76, 170145), (90, 143678), (95, 136116), (114, 113430), (171, 75620), (180, 71839), (190, 68058), (199, 64980), (228, 56715), (285, 45372), (342, 37810), (361, 35820), (380, 34029), (398, 32490), (570, 22686), (597, 21660), (684, 18905), (722, 17910), (796, 16245), (855, 15124), (995, 12996), (1083, 11940), (1140, 11343), (1194, 10830), (1444, 8955), (1710, 7562), (1791, 7220), (1805, 7164), (1990, 6498), (2166, 5970), (2388, 5415), (2985, 4332), (3249, 3980), (3420, 3781), (3582, 3610)]