1337640

素因数分解:

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

素因数の和:242

約数の個数: 64

約数和(自身を含む): 4095360

約数和(自身を除く): 2757720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 157, 213, 284, 314, 355, 426, 471, 568, 628, 710, 785, 852, 942, 1065, 1256, 1420, 1570, 1704, 1884, 2130, 2355, 2840, 3140, 3768, 4260, 4710, 6280, 8520, 9420, 11147, 18840, 22294, 33441, 44588, 55735, 66882, 89176, 111470, 133764, 167205, 222940, 267528, 334410, 445880, 668820, 1337640]

約数ペア:

[(1, 1337640), (2, 668820), (3, 445880), (4, 334410), (5, 267528), (6, 222940), (8, 167205), (10, 133764), (12, 111470), (15, 89176), (20, 66882), (24, 55735), (30, 44588), (40, 33441), (60, 22294), (71, 18840), (120, 11147), (142, 9420), (157, 8520), (213, 6280), (284, 4710), (314, 4260), (355, 3768), (426, 3140), (471, 2840), (568, 2355), (628, 2130), (710, 1884), (785, 1704), (852, 1570), (942, 1420), (1065, 1256)]