66436120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 153576000

約数和(自身を除く): 87139880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 149, 157, 284, 298, 314, 355, 568, 596, 628, 710, 745, 785, 1192, 1256, 1420, 1490, 1570, 2840, 2980, 3140, 5960, 6280, 10579, 11147, 21158, 22294, 23393, 42316, 44588, 46786, 52895, 55735, 84632, 89176, 93572, 105790, 111470, 116965, 187144, 211580, 222940, 233930, 423160, 445880, 467860, 935720, 1660903, 3321806, 6643612, 8304515, 13287224, 16609030, 33218060, 66436120]

約数ペア:

[(1, 66436120), (2, 33218060), (4, 16609030), (5, 13287224), (8, 8304515), (10, 6643612), (20, 3321806), (40, 1660903), (71, 935720), (142, 467860), (149, 445880), (157, 423160), (284, 233930), (298, 222940), (314, 211580), (355, 187144), (568, 116965), (596, 111470), (628, 105790), (710, 93572), (745, 89176), (785, 84632), (1192, 55735), (1256, 52895), (1420, 46786), (1490, 44588), (1570, 42316), (2840, 23393), (2980, 22294), (3140, 21158), (5960, 11147), (6280, 10579)]