18615660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 41595540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 127, 140, 210, 254, 349, 381, 420, 508, 635, 698, 762, 889, 1047, 1270, 1396, 1524, 1745, 1778, 1905, 2094, 2443, 2540, 2667, 3490, 3556, 3810, 4188, 4445, 4886, 5235, 5334, 6980, 7329, 7620, 8890, 9772, 10470, 10668, 12215, 13335, 14658, 17780, 20940, 24430, 26670, 29316, 36645, 44323, 48860, 53340, 73290, 88646, 132969, 146580, 177292, 221615, 265938, 310261, 443230, 531876, 620522, 664845, 886460, 930783, 1241044, 1329690, 1551305, 1861566, 2659380, 3102610, 3723132, 4653915, 6205220, 9307830, 18615660]

約数ペア:

[(1, 18615660), (2, 9307830), (3, 6205220), (4, 4653915), (5, 3723132), (6, 3102610), (7, 2659380), (10, 1861566), (12, 1551305), (14, 1329690), (15, 1241044), (20, 930783), (21, 886460), (28, 664845), (30, 620522), (35, 531876), (42, 443230), (60, 310261), (70, 265938), (84, 221615), (105, 177292), (127, 146580), (140, 132969), (210, 88646), (254, 73290), (349, 53340), (381, 48860), (420, 44323), (508, 36645), (635, 29316), (698, 26670), (762, 24430), (889, 20940), (1047, 17780), (1270, 14658), (1396, 13335), (1524, 12215), (1745, 10668), (1778, 10470), (1905, 9772), (2094, 8890), (2443, 7620), (2540, 7329), (2667, 6980), (3490, 5334), (3556, 5235), (3810, 4886), (4188, 4445)]