1286940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 3659040

約数和(自身を除く): 2372100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 241, 267, 356, 445, 482, 534, 723, 890, 964, 1068, 1205, 1335, 1446, 1780, 2410, 2670, 2892, 3615, 4820, 5340, 7230, 14460, 21449, 42898, 64347, 85796, 107245, 128694, 214490, 257388, 321735, 428980, 643470, 1286940]

約数ペア:

[(1, 1286940), (2, 643470), (3, 428980), (4, 321735), (5, 257388), (6, 214490), (10, 128694), (12, 107245), (15, 85796), (20, 64347), (30, 42898), (60, 21449), (89, 14460), (178, 7230), (241, 5340), (267, 4820), (356, 3615), (445, 2892), (482, 2670), (534, 2410), (723, 1780), (890, 1446), (964, 1335), (1068, 1205)]