15981210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{25367}}^1$

素因数の和:25387

約数の個数: 48

約数和(自身を含む): 47488896

約数和(自身を除く): 31507686

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 25367, 50734, 76101, 126835, 152202, 177569, 228303, 253670, 355138, 380505, 456606, 532707, 761010, 887845, 1065414, 1141515, 1598121, 1775690, 2283030, 2663535, 3196242, 5327070, 7990605, 15981210]

約数ペア:

[(1, 15981210), (2, 7990605), (3, 5327070), (5, 3196242), (6, 2663535), (7, 2283030), (9, 1775690), (10, 1598121), (14, 1141515), (15, 1065414), (18, 887845), (21, 761010), (30, 532707), (35, 456606), (42, 380505), (45, 355138), (63, 253670), (70, 228303), (90, 177569), (105, 152202), (126, 126835), (210, 76101), (315, 50734), (630, 25367)]