9980460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^2$

素因数の和:200

約数の個数: 108

約数和(自身を含む): 34992048

約数和(自身を除く): 25011588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1869, 2492, 2670, 3115, 3204, 3738, 4005, 5340, 5607, 6230, 7476, 7921, 8010, 9345, 11214, 12460, 15842, 16020, 18690, 22428, 23763, 28035, 31684, 37380, 39605, 47526, 55447, 56070, 71289, 79210, 95052, 110894, 112140, 118815, 142578, 158420, 166341, 221788, 237630, 277235, 285156, 332682, 356445, 475260, 499023, 554470, 665364, 712890, 831705, 998046, 1108940, 1425780, 1663410, 1996092, 2495115, 3326820, 4990230, 9980460]

約数ペア:

[(1, 9980460), (2, 4990230), (3, 3326820), (4, 2495115), (5, 1996092), (6, 1663410), (7, 1425780), (9, 1108940), (10, 998046), (12, 831705), (14, 712890), (15, 665364), (18, 554470), (20, 499023), (21, 475260), (28, 356445), (30, 332682), (35, 285156), (36, 277235), (42, 237630), (45, 221788), (60, 166341), (63, 158420), (70, 142578), (84, 118815), (89, 112140), (90, 110894), (105, 95052), (126, 79210), (140, 71289), (178, 56070), (180, 55447), (210, 47526), (252, 39605), (267, 37380), (315, 31684), (356, 28035), (420, 23763), (445, 22428), (534, 18690), (623, 16020), (630, 15842), (801, 12460), (890, 11214), (1068, 9345), (1246, 8010), (1260, 7921), (1335, 7476), (1602, 6230), (1780, 5607), (1869, 5340), (2492, 4005), (2670, 3738), (3115, 3204)]