345355140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{442763}}^1$

素因数の和:442788

約数の個数: 48

約数和(自身を含む): 1041380928

約数和(自身を除く): 696025788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 442763, 885526, 1328289, 1771052, 2213815, 2656578, 4427630, 5313156, 5755919, 6641445, 8855260, 11511838, 13282890, 17267757, 23023676, 26565780, 28779595, 34535514, 57559190, 69071028, 86338785, 115118380, 172677570, 345355140]

約数ペア:

[(1, 345355140), (2, 172677570), (3, 115118380), (4, 86338785), (5, 69071028), (6, 57559190), (10, 34535514), (12, 28779595), (13, 26565780), (15, 23023676), (20, 17267757), (26, 13282890), (30, 11511838), (39, 8855260), (52, 6641445), (60, 5755919), (65, 5313156), (78, 4427630), (130, 2656578), (156, 2213815), (195, 1771052), (260, 1328289), (390, 885526), (780, 442763)]