15353940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 49674240

約数和(自身を除く): 34320300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 263, 278, 417, 420, 526, 556, 695, 789, 834, 973, 1052, 1315, 1390, 1578, 1668, 1841, 1946, 2085, 2630, 2780, 2919, 3156, 3682, 3892, 3945, 4170, 4865, 5260, 5523, 5838, 7364, 7890, 8340, 9205, 9730, 11046, 11676, 14595, 15780, 18410, 19460, 22092, 27615, 29190, 36557, 36820, 55230, 58380, 73114, 109671, 110460, 146228, 182785, 219342, 255899, 365570, 438684, 511798, 548355, 731140, 767697, 1023596, 1096710, 1279495, 1535394, 2193420, 2558990, 3070788, 3838485, 5117980, 7676970, 15353940]

約数ペア:

[(1, 15353940), (2, 7676970), (3, 5117980), (4, 3838485), (5, 3070788), (6, 2558990), (7, 2193420), (10, 1535394), (12, 1279495), (14, 1096710), (15, 1023596), (20, 767697), (21, 731140), (28, 548355), (30, 511798), (35, 438684), (42, 365570), (60, 255899), (70, 219342), (84, 182785), (105, 146228), (139, 110460), (140, 109671), (210, 73114), (263, 58380), (278, 55230), (417, 36820), (420, 36557), (526, 29190), (556, 27615), (695, 22092), (789, 19460), (834, 18410), (973, 15780), (1052, 14595), (1315, 11676), (1390, 11046), (1578, 9730), (1668, 9205), (1841, 8340), (1946, 7890), (2085, 7364), (2630, 5838), (2780, 5523), (2919, 5260), (3156, 4865), (3682, 4170), (3892, 3945)]