278230320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{386431}}^1$

素因数の和:386450

約数の個数: 60

約数和(自身を含む): 934392576

約数和(自身を除く): 656162256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 386431, 772862, 1159293, 1545724, 1932155, 2318586, 3091448, 3477879, 3864310, 4637172, 5796465, 6182896, 6955758, 7728620, 9274344, 11592930, 13911516, 15457240, 17389395, 18548688, 23185860, 27823032, 30914480, 34778790, 46371720, 55646064, 69557580, 92743440, 139115160, 278230320]

約数ペア:

[(1, 278230320), (2, 139115160), (3, 92743440), (4, 69557580), (5, 55646064), (6, 46371720), (8, 34778790), (9, 30914480), (10, 27823032), (12, 23185860), (15, 18548688), (16, 17389395), (18, 15457240), (20, 13911516), (24, 11592930), (30, 9274344), (36, 7728620), (40, 6955758), (45, 6182896), (48, 5796465), (60, 4637172), (72, 3864310), (80, 3477879), (90, 3091448), (120, 2318586), (144, 1932155), (180, 1545724), (240, 1159293), (360, 772862), (720, 386431)]