15207920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2122

約数の個数: 80

約数和(自身を含む): 43538880

約数和(自身を除く): 28330960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2089, 3640, 4178, 7280, 8356, 10445, 14623, 16712, 20890, 27157, 29246, 33424, 41780, 54314, 58492, 73115, 83560, 108628, 116984, 135785, 146230, 167120, 190099, 217256, 233968, 271570, 292460, 380198, 434512, 543140, 584920, 760396, 950495, 1086280, 1169840, 1520792, 1900990, 2172560, 3041584, 3801980, 7603960, 15207920]

約数ペア:

[(1, 15207920), (2, 7603960), (4, 3801980), (5, 3041584), (7, 2172560), (8, 1900990), (10, 1520792), (13, 1169840), (14, 1086280), (16, 950495), (20, 760396), (26, 584920), (28, 543140), (35, 434512), (40, 380198), (52, 292460), (56, 271570), (65, 233968), (70, 217256), (80, 190099), (91, 167120), (104, 146230), (112, 135785), (130, 116984), (140, 108628), (182, 83560), (208, 73115), (260, 58492), (280, 54314), (364, 41780), (455, 33424), (520, 29246), (560, 27157), (728, 20890), (910, 16712), (1040, 14623), (1456, 10445), (1820, 8356), (2089, 7280), (3640, 4178)]