72765940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1171}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 165392640

約数和(自身を除く): 92626700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1171, 1195, 2342, 2390, 3107, 4684, 4780, 5855, 6214, 11710, 12428, 15223, 15535, 23420, 30446, 31070, 60892, 62140, 76115, 152230, 279869, 304460, 559738, 1119476, 1399345, 2798690, 3638297, 5597380, 7276594, 14553188, 18191485, 36382970, 72765940]

約数ペア:

[(1, 72765940), (2, 36382970), (4, 18191485), (5, 14553188), (10, 7276594), (13, 5597380), (20, 3638297), (26, 2798690), (52, 1399345), (65, 1119476), (130, 559738), (239, 304460), (260, 279869), (478, 152230), (956, 76115), (1171, 62140), (1195, 60892), (2342, 31070), (2390, 30446), (3107, 23420), (4684, 15535), (4780, 15223), (5855, 12428), (6214, 11710)]