66669720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42737}}^1$

素因数の和:42764

約数の個数: 64

約数和(自身を含む): 215399520

約数和(自身を除く): 148729800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 42737, 85474, 128211, 170948, 213685, 256422, 341896, 427370, 512844, 555581, 641055, 854740, 1025688, 1111162, 1282110, 1666743, 1709480, 2222324, 2564220, 2777905, 3333486, 4444648, 5128440, 5555810, 6666972, 8333715, 11111620, 13333944, 16667430, 22223240, 33334860, 66669720]

約数ペア:

[(1, 66669720), (2, 33334860), (3, 22223240), (4, 16667430), (5, 13333944), (6, 11111620), (8, 8333715), (10, 6666972), (12, 5555810), (13, 5128440), (15, 4444648), (20, 3333486), (24, 2777905), (26, 2564220), (30, 2222324), (39, 1709480), (40, 1666743), (52, 1282110), (60, 1111162), (65, 1025688), (78, 854740), (104, 641055), (120, 555581), (130, 512844), (156, 427370), (195, 341896), (260, 256422), (312, 213685), (390, 170948), (520, 128211), (780, 85474), (1560, 42737)]