7787640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 27279360

約数和(自身を除く): 19491720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 127, 140, 146, 168, 210, 219, 254, 280, 292, 365, 381, 420, 438, 508, 511, 584, 635, 730, 762, 840, 876, 889, 1016, 1022, 1095, 1270, 1460, 1524, 1533, 1752, 1778, 1905, 2044, 2190, 2540, 2555, 2667, 2920, 3048, 3066, 3556, 3810, 4088, 4380, 4445, 5080, 5110, 5334, 6132, 7112, 7620, 7665, 8760, 8890, 9271, 10220, 10668, 12264, 13335, 15240, 15330, 17780, 18542, 20440, 21336, 26670, 27813, 30660, 35560, 37084, 46355, 53340, 55626, 61320, 64897, 74168, 92710, 106680, 111252, 129794, 139065, 185420, 194691, 222504, 259588, 278130, 324485, 370840, 389382, 519176, 556260, 648970, 778764, 973455, 1112520, 1297940, 1557528, 1946910, 2595880, 3893820, 7787640]

約数ペア:

[(1, 7787640), (2, 3893820), (3, 2595880), (4, 1946910), (5, 1557528), (6, 1297940), (7, 1112520), (8, 973455), (10, 778764), (12, 648970), (14, 556260), (15, 519176), (20, 389382), (21, 370840), (24, 324485), (28, 278130), (30, 259588), (35, 222504), (40, 194691), (42, 185420), (56, 139065), (60, 129794), (70, 111252), (73, 106680), (84, 92710), (105, 74168), (120, 64897), (127, 61320), (140, 55626), (146, 53340), (168, 46355), (210, 37084), (219, 35560), (254, 30660), (280, 27813), (292, 26670), (365, 21336), (381, 20440), (420, 18542), (438, 17780), (508, 15330), (511, 15240), (584, 13335), (635, 12264), (730, 10668), (762, 10220), (840, 9271), (876, 8890), (889, 8760), (1016, 7665), (1022, 7620), (1095, 7112), (1270, 6132), (1460, 5334), (1524, 5110), (1533, 5080), (1752, 4445), (1778, 4380), (1905, 4088), (2044, 3810), (2190, 3556), (2540, 3066), (2555, 3048), (2667, 2920)]