1343940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 4054848

約数和(自身を除く): 2710908

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, 1723, 3446, 5169, 6892, 8615, 10338, 17230, 20676, 22399, 25845, 34460, 44798, 51690, 67197, 89596, 103380, 111995, 134394, 223990, 268788, 335985, 447980, 671970, 1343940]

約数ペア:

[(1, 1343940), (2, 671970), (3, 447980), (4, 335985), (5, 268788), (6, 223990), (10, 134394), (12, 111995), (13, 103380), (15, 89596), (20, 67197), (26, 51690), (30, 44798), (39, 34460), (52, 25845), (60, 22399), (65, 20676), (78, 17230), (130, 10338), (156, 8615), (195, 6892), (260, 5169), (390, 3446), (780, 1723)]