81743940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6221}}^1$

素因数の和:6309

約数の個数: 72

約数和(自身を含む): 251393688

約数和(自身を除く): 169649748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6221, 6570, 12442, 13140, 18663, 24884, 31105, 37326, 55989, 62210, 74652, 93315, 111978, 124420, 186630, 223956, 279945, 373260, 454133, 559890, 908266, 1119780, 1362399, 1816532, 2270665, 2724798, 4087197, 4541330, 5449596, 6811995, 8174394, 9082660, 13623990, 16348788, 20435985, 27247980, 40871970, 81743940]

約数ペア:

[(1, 81743940), (2, 40871970), (3, 27247980), (4, 20435985), (5, 16348788), (6, 13623990), (9, 9082660), (10, 8174394), (12, 6811995), (15, 5449596), (18, 4541330), (20, 4087197), (30, 2724798), (36, 2270665), (45, 1816532), (60, 1362399), (73, 1119780), (90, 908266), (146, 559890), (180, 454133), (219, 373260), (292, 279945), (365, 223956), (438, 186630), (657, 124420), (730, 111978), (876, 93315), (1095, 74652), (1314, 62210), (1460, 55989), (2190, 37326), (2628, 31105), (3285, 24884), (4380, 18663), (6221, 13140), (6570, 12442)]