1277277820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1283}}^1$

素因数の和:1859

約数の個数: 96

約数和(自身を含む): 3309884928

約数和(自身を除く): 2032607108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 547, 910, 1094, 1283, 1820, 2188, 2566, 2735, 3829, 5132, 5470, 6415, 7111, 7658, 8981, 10940, 12830, 14222, 15316, 16679, 17962, 19145, 25660, 28444, 33358, 35555, 35924, 38290, 44905, 49777, 66716, 71110, 76580, 83395, 89810, 99554, 116753, 142220, 166790, 179620, 199108, 233506, 248885, 333580, 467012, 497770, 583765, 701801, 995540, 1167530, 1403602, 2335060, 2807204, 3509005, 4912607, 7018010, 9123413, 9825214, 14036020, 18246826, 19650428, 24563035, 36493652, 45617065, 49126070, 63863891, 91234130, 98252140, 127727782, 182468260, 255455564, 319319455, 638638910, 1277277820]

約数ペア:

[(1, 1277277820), (2, 638638910), (4, 319319455), (5, 255455564), (7, 182468260), (10, 127727782), (13, 98252140), (14, 91234130), (20, 63863891), (26, 49126070), (28, 45617065), (35, 36493652), (52, 24563035), (65, 19650428), (70, 18246826), (91, 14036020), (130, 9825214), (140, 9123413), (182, 7018010), (260, 4912607), (364, 3509005), (455, 2807204), (547, 2335060), (910, 1403602), (1094, 1167530), (1283, 995540), (1820, 701801), (2188, 583765), (2566, 497770), (2735, 467012), (3829, 333580), (5132, 248885), (5470, 233506), (6415, 199108), (7111, 179620), (7658, 166790), (8981, 142220), (10940, 116753), (12830, 99554), (14222, 89810), (15316, 83395), (16679, 76580), (17962, 71110), (19145, 66716), (25660, 49777), (28444, 44905), (33358, 38290), (35555, 35924)]