15740740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 36328320

約数和(自身を除く): 20587580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 1801, 2185, 3602, 4370, 7204, 8740, 9005, 18010, 34219, 36020, 41423, 68438, 82846, 136876, 165692, 171095, 207115, 342190, 414230, 684380, 787037, 828460, 1574074, 3148148, 3935185, 7870370, 15740740]

約数ペア:

[(1, 15740740), (2, 7870370), (4, 3935185), (5, 3148148), (10, 1574074), (19, 828460), (20, 787037), (23, 684380), (38, 414230), (46, 342190), (76, 207115), (92, 171095), (95, 165692), (115, 136876), (190, 82846), (230, 68438), (380, 41423), (437, 36020), (460, 34219), (874, 18010), (1748, 9005), (1801, 8740), (2185, 7204), (3602, 4370)]