15500380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2089}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 22420580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2089, 3710, 4178, 7420, 8356, 10445, 14623, 20890, 29246, 41780, 58492, 73115, 110717, 146230, 221434, 292460, 442868, 553585, 775019, 1107170, 1550038, 2214340, 3100076, 3875095, 7750190, 15500380]

約数ペア:

[(1, 15500380), (2, 7750190), (4, 3875095), (5, 3100076), (7, 2214340), (10, 1550038), (14, 1107170), (20, 775019), (28, 553585), (35, 442868), (53, 292460), (70, 221434), (106, 146230), (140, 110717), (212, 73115), (265, 58492), (371, 41780), (530, 29246), (742, 20890), (1060, 14623), (1484, 10445), (1855, 8356), (2089, 7420), (3710, 4178)]