123291360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{85619}}^1$

素因数の和:85640

約数の個数: 72

約数和(自身を含む): 420736680

約数和(自身を除く): 297445320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 85619, 171238, 256857, 342476, 428095, 513714, 684952, 770571, 856190, 1027428, 1284285, 1369904, 1541142, 1712380, 2054856, 2568570, 2739808, 3082284, 3424760, 3852855, 4109712, 5137140, 6164568, 6849520, 7705710, 8219424, 10274280, 12329136, 13699040, 15411420, 20548560, 24658272, 30822840, 41097120, 61645680, 123291360]

約数ペア:

[(1, 123291360), (2, 61645680), (3, 41097120), (4, 30822840), (5, 24658272), (6, 20548560), (8, 15411420), (9, 13699040), (10, 12329136), (12, 10274280), (15, 8219424), (16, 7705710), (18, 6849520), (20, 6164568), (24, 5137140), (30, 4109712), (32, 3852855), (36, 3424760), (40, 3082284), (45, 2739808), (48, 2568570), (60, 2054856), (72, 1712380), (80, 1541142), (90, 1369904), (96, 1284285), (120, 1027428), (144, 856190), (160, 770571), (180, 684952), (240, 513714), (288, 428095), (360, 342476), (480, 256857), (720, 171238), (1440, 85619)]