320710260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{411167}}^1$

素因数の和:411192

約数の個数: 48

約数和(自身を含む): 967067136

約数和(自身を除く): 646356876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 411167, 822334, 1233501, 1644668, 2055835, 2467002, 4111670, 4934004, 5345171, 6167505, 8223340, 10690342, 12335010, 16035513, 21380684, 24670020, 26725855, 32071026, 53451710, 64142052, 80177565, 106903420, 160355130, 320710260]

約数ペア:

[(1, 320710260), (2, 160355130), (3, 106903420), (4, 80177565), (5, 64142052), (6, 53451710), (10, 32071026), (12, 26725855), (13, 24670020), (15, 21380684), (20, 16035513), (26, 12335010), (30, 10690342), (39, 8223340), (52, 6167505), (60, 5345171), (65, 4934004), (78, 4111670), (130, 2467002), (156, 2055835), (195, 1644668), (260, 1233501), (390, 822334), (780, 411167)]