280278840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 865935360

約数和(自身を除く): 585656520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 127, 159, 212, 254, 265, 318, 347, 381, 424, 508, 530, 635, 636, 694, 762, 795, 1016, 1041, 1060, 1270, 1272, 1388, 1524, 1590, 1735, 1905, 2082, 2120, 2540, 2776, 3048, 3180, 3470, 3810, 4164, 5080, 5205, 6360, 6731, 6940, 7620, 8328, 10410, 13462, 13880, 15240, 18391, 20193, 20820, 26924, 33655, 36782, 40386, 41640, 44069, 53848, 55173, 67310, 73564, 80772, 88138, 91955, 100965, 110346, 132207, 134620, 147128, 161544, 176276, 183910, 201930, 220345, 220692, 264414, 269240, 275865, 352552, 367820, 403860, 440690, 441384, 528828, 551730, 661035, 735640, 807720, 881380, 1057656, 1103460, 1322070, 1762760, 2206920, 2335657, 2644140, 4671314, 5288280, 7006971, 9342628, 11678285, 14013942, 18685256, 23356570, 28027884, 35034855, 46713140, 56055768, 70069710, 93426280, 140139420, 280278840]

約数ペア:

[(1, 280278840), (2, 140139420), (3, 93426280), (4, 70069710), (5, 56055768), (6, 46713140), (8, 35034855), (10, 28027884), (12, 23356570), (15, 18685256), (20, 14013942), (24, 11678285), (30, 9342628), (40, 7006971), (53, 5288280), (60, 4671314), (106, 2644140), (120, 2335657), (127, 2206920), (159, 1762760), (212, 1322070), (254, 1103460), (265, 1057656), (318, 881380), (347, 807720), (381, 735640), (424, 661035), (508, 551730), (530, 528828), (635, 441384), (636, 440690), (694, 403860), (762, 367820), (795, 352552), (1016, 275865), (1041, 269240), (1060, 264414), (1270, 220692), (1272, 220345), (1388, 201930), (1524, 183910), (1590, 176276), (1735, 161544), (1905, 147128), (2082, 134620), (2120, 132207), (2540, 110346), (2776, 100965), (3048, 91955), (3180, 88138), (3470, 80772), (3810, 73564), (4164, 67310), (5080, 55173), (5205, 53848), (6360, 44069), (6731, 41640), (6940, 40386), (7620, 36782), (8328, 33655), (10410, 26924), (13462, 20820), (13880, 20193), (15240, 18391)]