18774480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 58728384

約数和(自身を除く): 39953904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 571, 685, 822, 1096, 1142, 1370, 1644, 1713, 2055, 2192, 2284, 2740, 2855, 3288, 3426, 4110, 4568, 5480, 5710, 6576, 6852, 8220, 8565, 9136, 10960, 11420, 13704, 16440, 17130, 22840, 27408, 32880, 34260, 45680, 68520, 78227, 137040, 156454, 234681, 312908, 391135, 469362, 625816, 782270, 938724, 1173405, 1251632, 1564540, 1877448, 2346810, 3129080, 3754896, 4693620, 6258160, 9387240, 18774480]

約数ペア:

[(1, 18774480), (2, 9387240), (3, 6258160), (4, 4693620), (5, 3754896), (6, 3129080), (8, 2346810), (10, 1877448), (12, 1564540), (15, 1251632), (16, 1173405), (20, 938724), (24, 782270), (30, 625816), (40, 469362), (48, 391135), (60, 312908), (80, 234681), (120, 156454), (137, 137040), (240, 78227), (274, 68520), (411, 45680), (548, 34260), (571, 32880), (685, 27408), (822, 22840), (1096, 17130), (1142, 16440), (1370, 13704), (1644, 11420), (1713, 10960), (2055, 9136), (2192, 8565), (2284, 8220), (2740, 6852), (2855, 6576), (3288, 5710), (3426, 5480), (4110, 4568)]