64521520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 178854624

約数和(自身を除く): 114333104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 137, 140, 145, 203, 232, 274, 280, 290, 406, 464, 548, 560, 580, 685, 812, 841, 959, 1015, 1096, 1160, 1370, 1624, 1682, 1918, 2030, 2192, 2320, 2740, 3248, 3364, 3836, 3973, 4060, 4205, 4795, 5480, 5887, 6728, 7672, 7946, 8120, 8410, 9590, 10960, 11774, 13456, 15344, 15892, 16240, 16820, 19180, 19865, 23548, 27811, 29435, 31784, 33640, 38360, 39730, 47096, 55622, 58870, 63568, 67280, 76720, 79460, 94192, 111244, 115217, 117740, 139055, 158920, 222488, 230434, 235480, 278110, 317840, 444976, 460868, 470960, 556220, 576085, 806519, 921736, 1112440, 1152170, 1613038, 1843472, 2224880, 2304340, 3226076, 4032595, 4608680, 6452152, 8065190, 9217360, 12904304, 16130380, 32260760, 64521520]

約数ペア:

[(1, 64521520), (2, 32260760), (4, 16130380), (5, 12904304), (7, 9217360), (8, 8065190), (10, 6452152), (14, 4608680), (16, 4032595), (20, 3226076), (28, 2304340), (29, 2224880), (35, 1843472), (40, 1613038), (56, 1152170), (58, 1112440), (70, 921736), (80, 806519), (112, 576085), (116, 556220), (137, 470960), (140, 460868), (145, 444976), (203, 317840), (232, 278110), (274, 235480), (280, 230434), (290, 222488), (406, 158920), (464, 139055), (548, 117740), (560, 115217), (580, 111244), (685, 94192), (812, 79460), (841, 76720), (959, 67280), (1015, 63568), (1096, 58870), (1160, 55622), (1370, 47096), (1624, 39730), (1682, 38360), (1918, 33640), (2030, 31784), (2192, 29435), (2320, 27811), (2740, 23548), (3248, 19865), (3364, 19180), (3836, 16820), (3973, 16240), (4060, 15892), (4205, 15344), (4795, 13456), (5480, 11774), (5887, 10960), (6728, 9590), (7672, 8410), (7946, 8120)]