78439740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30403}}^1$

素因数の和:30458

約数の個数: 48

約数和(自身を含む): 224746368

約数和(自身を除く): 146306628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 30403, 60806, 91209, 121612, 152015, 182418, 304030, 364836, 456045, 608060, 912090, 1307329, 1824180, 2614658, 3921987, 5229316, 6536645, 7843974, 13073290, 15687948, 19609935, 26146580, 39219870, 78439740]

約数ペア:

[(1, 78439740), (2, 39219870), (3, 26146580), (4, 19609935), (5, 15687948), (6, 13073290), (10, 7843974), (12, 6536645), (15, 5229316), (20, 3921987), (30, 2614658), (43, 1824180), (60, 1307329), (86, 912090), (129, 608060), (172, 456045), (215, 364836), (258, 304030), (430, 182418), (516, 152015), (645, 121612), (860, 91209), (1290, 60806), (2580, 30403)]