64864880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 158561280

約数和(自身を除く): 93696400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 73, 80, 116, 145, 146, 232, 290, 292, 365, 383, 464, 580, 584, 730, 766, 1160, 1168, 1460, 1532, 1915, 2117, 2320, 2920, 3064, 3830, 4234, 5840, 6128, 7660, 8468, 10585, 11107, 15320, 16936, 21170, 22214, 27959, 30640, 33872, 42340, 44428, 55535, 55918, 84680, 88856, 111070, 111836, 139795, 169360, 177712, 222140, 223672, 279590, 444280, 447344, 559180, 810811, 888560, 1118360, 1621622, 2236720, 3243244, 4054055, 6486488, 8108110, 12972976, 16216220, 32432440, 64864880]

約数ペア:

[(1, 64864880), (2, 32432440), (4, 16216220), (5, 12972976), (8, 8108110), (10, 6486488), (16, 4054055), (20, 3243244), (29, 2236720), (40, 1621622), (58, 1118360), (73, 888560), (80, 810811), (116, 559180), (145, 447344), (146, 444280), (232, 279590), (290, 223672), (292, 222140), (365, 177712), (383, 169360), (464, 139795), (580, 111836), (584, 111070), (730, 88856), (766, 84680), (1160, 55918), (1168, 55535), (1460, 44428), (1532, 42340), (1915, 33872), (2117, 30640), (2320, 27959), (2920, 22214), (3064, 21170), (3830, 16936), (4234, 15320), (5840, 11107), (6128, 10585), (7660, 8468)]