281373960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7127}}^1$

素因数の和:7195

約数の個数: 128

約数和(自身を含む): 985374720

約数和(自身を除く): 704000760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6580, 7127, 7896, 9870, 13160, 14254, 19740, 21381, 28508, 35635, 39480, 42762, 49889, 57016, 71270, 85524, 99778, 106905, 142540, 149667, 171048, 199556, 213810, 249445, 285080, 299334, 334969, 399112, 427620, 498890, 598668, 669938, 748335, 855240, 997780, 1004907, 1197336, 1339876, 1496670, 1674845, 1995560, 2009814, 2344783, 2679752, 2993340, 3349690, 4019628, 4689566, 5024535, 5986680, 6699380, 7034349, 8039256, 9379132, 10049070, 11723915, 13398760, 14068698, 18758264, 20098140, 23447830, 28137396, 35171745, 40196280, 46895660, 56274792, 70343490, 93791320, 140686980, 281373960]

約数ペア:

[(1, 281373960), (2, 140686980), (3, 93791320), (4, 70343490), (5, 56274792), (6, 46895660), (7, 40196280), (8, 35171745), (10, 28137396), (12, 23447830), (14, 20098140), (15, 18758264), (20, 14068698), (21, 13398760), (24, 11723915), (28, 10049070), (30, 9379132), (35, 8039256), (40, 7034349), (42, 6699380), (47, 5986680), (56, 5024535), (60, 4689566), (70, 4019628), (84, 3349690), (94, 2993340), (105, 2679752), (120, 2344783), (140, 2009814), (141, 1995560), (168, 1674845), (188, 1496670), (210, 1339876), (235, 1197336), (280, 1004907), (282, 997780), (329, 855240), (376, 748335), (420, 669938), (470, 598668), (564, 498890), (658, 427620), (705, 399112), (840, 334969), (940, 299334), (987, 285080), (1128, 249445), (1316, 213810), (1410, 199556), (1645, 171048), (1880, 149667), (1974, 142540), (2632, 106905), (2820, 99778), (3290, 85524), (3948, 71270), (4935, 57016), (5640, 49889), (6580, 42762), (7127, 39480), (7896, 35635), (9870, 28508), (13160, 21381), (14254, 19740)]