1878540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3443700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 239, 262, 393, 478, 524, 655, 717, 786, 956, 1195, 1310, 1434, 1572, 1965, 2390, 2620, 2868, 3585, 3930, 4780, 7170, 7860, 14340, 31309, 62618, 93927, 125236, 156545, 187854, 313090, 375708, 469635, 626180, 939270, 1878540]

約数ペア:

[(1, 1878540), (2, 939270), (3, 626180), (4, 469635), (5, 375708), (6, 313090), (10, 187854), (12, 156545), (15, 125236), (20, 93927), (30, 62618), (60, 31309), (131, 14340), (239, 7860), (262, 7170), (393, 4780), (478, 3930), (524, 3585), (655, 2868), (717, 2620), (786, 2390), (956, 1965), (1195, 1572), (1310, 1434)]