2015202040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1117}}^1$

素因数の和:1241

約数の個数: 128

約数和(自身を含む): 4955333760

約数和(自身を除く): 2940131720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 53, 74, 92, 106, 115, 148, 184, 185, 212, 230, 265, 296, 370, 424, 460, 530, 740, 851, 920, 1060, 1117, 1219, 1480, 1702, 1961, 2120, 2234, 2438, 3404, 3922, 4255, 4468, 4876, 5585, 6095, 6808, 7844, 8510, 8936, 9752, 9805, 11170, 12190, 15688, 17020, 19610, 22340, 24380, 25691, 34040, 39220, 41329, 44680, 45103, 48760, 51382, 59201, 78440, 82658, 90206, 102764, 118402, 128455, 165316, 180412, 205528, 206645, 225515, 236804, 256910, 296005, 330632, 360824, 413290, 451030, 473608, 513820, 592010, 826580, 902060, 950567, 1027640, 1184020, 1361623, 1653160, 1804120, 1901134, 2190437, 2368040, 2723246, 3802268, 4380874, 4752835, 5446492, 6808115, 7604536, 8761748, 9505670, 10892984, 10952185, 13616230, 17523496, 19011340, 21904370, 27232460, 38022680, 43808740, 50380051, 54464920, 87617480, 100760102, 201520204, 251900255, 403040408, 503800510, 1007601020, 2015202040]

約数ペア:

[(1, 2015202040), (2, 1007601020), (4, 503800510), (5, 403040408), (8, 251900255), (10, 201520204), (20, 100760102), (23, 87617480), (37, 54464920), (40, 50380051), (46, 43808740), (53, 38022680), (74, 27232460), (92, 21904370), (106, 19011340), (115, 17523496), (148, 13616230), (184, 10952185), (185, 10892984), (212, 9505670), (230, 8761748), (265, 7604536), (296, 6808115), (370, 5446492), (424, 4752835), (460, 4380874), (530, 3802268), (740, 2723246), (851, 2368040), (920, 2190437), (1060, 1901134), (1117, 1804120), (1219, 1653160), (1480, 1361623), (1702, 1184020), (1961, 1027640), (2120, 950567), (2234, 902060), (2438, 826580), (3404, 592010), (3922, 513820), (4255, 473608), (4468, 451030), (4876, 413290), (5585, 360824), (6095, 330632), (6808, 296005), (7844, 256910), (8510, 236804), (8936, 225515), (9752, 206645), (9805, 205528), (11170, 180412), (12190, 165316), (15688, 128455), (17020, 118402), (19610, 102764), (22340, 90206), (24380, 82658), (25691, 78440), (34040, 59201), (39220, 51382), (41329, 48760), (44680, 45103)]