78656040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 265503420

約数和(自身を除く): 186847380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 73, 82, 90, 120, 123, 146, 164, 180, 205, 219, 246, 292, 328, 360, 365, 369, 410, 438, 492, 584, 615, 657, 730, 738, 820, 876, 984, 1095, 1230, 1314, 1460, 1476, 1640, 1752, 1845, 2190, 2460, 2628, 2920, 2952, 2993, 3285, 3690, 4380, 4920, 5256, 5329, 5986, 6570, 7380, 8760, 8979, 10658, 11972, 13140, 14760, 14965, 15987, 17958, 21316, 23944, 26280, 26645, 26937, 29930, 31974, 35916, 42632, 44895, 47961, 53290, 53874, 59860, 63948, 71832, 79935, 89790, 95922, 106580, 107748, 119720, 127896, 134685, 159870, 179580, 191844, 213160, 215496, 218489, 239805, 269370, 319740, 359160, 383688, 436978, 479610, 538740, 639480, 655467, 873956, 959220, 1077480, 1092445, 1310934, 1747912, 1918440, 1966401, 2184890, 2621868, 3277335, 3932802, 4369780, 5243736, 6554670, 7865604, 8739560, 9832005, 13109340, 15731208, 19664010, 26218680, 39328020, 78656040]

約数ペア:

[(1, 78656040), (2, 39328020), (3, 26218680), (4, 19664010), (5, 15731208), (6, 13109340), (8, 9832005), (9, 8739560), (10, 7865604), (12, 6554670), (15, 5243736), (18, 4369780), (20, 3932802), (24, 3277335), (30, 2621868), (36, 2184890), (40, 1966401), (41, 1918440), (45, 1747912), (60, 1310934), (72, 1092445), (73, 1077480), (82, 959220), (90, 873956), (120, 655467), (123, 639480), (146, 538740), (164, 479610), (180, 436978), (205, 383688), (219, 359160), (246, 319740), (292, 269370), (328, 239805), (360, 218489), (365, 215496), (369, 213160), (410, 191844), (438, 179580), (492, 159870), (584, 134685), (615, 127896), (657, 119720), (730, 107748), (738, 106580), (820, 95922), (876, 89790), (984, 79935), (1095, 71832), (1230, 63948), (1314, 59860), (1460, 53874), (1476, 53290), (1640, 47961), (1752, 44895), (1845, 42632), (2190, 35916), (2460, 31974), (2628, 29930), (2920, 26937), (2952, 26645), (2993, 26280), (3285, 23944), (3690, 21316), (4380, 17958), (4920, 15987), (5256, 14965), (5329, 14760), (5986, 13140), (6570, 11972), (7380, 10658), (8760, 8979)]