1303907040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{905491}}^1$

素因数の和:905512

約数の個数: 72

約数和(自身を含む): 4449587688

約数和(自身を除く): 3145680648

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, 905491, 1810982, 2716473, 3621964, 4527455, 5432946, 7243928, 8149419, 9054910, 10865892, 13582365, 14487856, 16298838, 18109820, 21731784, 27164730, 28975712, 32597676, 36219640, 40747095, 43463568, 54329460, 65195352, 72439280, 81494190, 86927136, 108658920, 130390704, 144878560, 162988380, 217317840, 260781408, 325976760, 434635680, 651953520, 1303907040]

約数ペア:

[(1, 1303907040), (2, 651953520), (3, 434635680), (4, 325976760), (5, 260781408), (6, 217317840), (8, 162988380), (9, 144878560), (10, 130390704), (12, 108658920), (15, 86927136), (16, 81494190), (18, 72439280), (20, 65195352), (24, 54329460), (30, 43463568), (32, 40747095), (36, 36219640), (40, 32597676), (45, 28975712), (48, 27164730), (60, 21731784), (72, 18109820), (80, 16298838), (90, 14487856), (96, 13582365), (120, 10865892), (144, 9054910), (160, 8149419), (180, 7243928), (240, 5432946), (288, 4527455), (360, 3621964), (480, 2716473), (720, 1810982), (1440, 905491)]