816207420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1100

約数の個数: 192

約数和(自身を含む): 2735824896

約数和(自身を除く): 1919617476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 53, 60, 70, 74, 84, 105, 106, 111, 140, 148, 159, 185, 210, 212, 222, 259, 265, 318, 370, 371, 420, 444, 518, 530, 555, 636, 740, 742, 777, 795, 991, 1036, 1060, 1110, 1113, 1295, 1484, 1554, 1590, 1855, 1961, 1982, 2220, 2226, 2590, 2973, 3108, 3180, 3710, 3885, 3922, 3964, 4452, 4955, 5180, 5565, 5883, 5946, 6937, 7420, 7770, 7844, 9805, 9910, 11130, 11766, 11892, 13727, 13874, 14865, 15540, 19610, 19820, 20811, 22260, 23532, 27454, 27748, 29415, 29730, 34685, 36667, 39220, 41181, 41622, 52523, 54908, 58830, 59460, 68635, 69370, 73334, 82362, 83244, 104055, 105046, 110001, 117660, 137270, 138740, 146668, 157569, 164724, 183335, 205905, 208110, 210092, 220002, 256669, 262615, 274540, 315138, 366670, 367661, 411810, 416220, 440004, 513338, 525230, 550005, 630276, 733340, 735322, 770007, 787845, 823620, 1026676, 1050460, 1100010, 1102983, 1283345, 1470644, 1540014, 1575690, 1838305, 1943351, 2200020, 2205966, 2566690, 3080028, 3151380, 3676610, 3850035, 3886702, 4411932, 5133380, 5514915, 5830053, 7353220, 7700070, 7773404, 9716755, 11029830, 11660106, 13603457, 15400140, 19433510, 22059660, 23320212, 27206914, 29150265, 38867020, 40810371, 54413828, 58300530, 68017285, 81620742, 116601060, 136034570, 163241484, 204051855, 272069140, 408103710, 816207420]

約数ペア:

[(1, 816207420), (2, 408103710), (3, 272069140), (4, 204051855), (5, 163241484), (6, 136034570), (7, 116601060), (10, 81620742), (12, 68017285), (14, 58300530), (15, 54413828), (20, 40810371), (21, 38867020), (28, 29150265), (30, 27206914), (35, 23320212), (37, 22059660), (42, 19433510), (53, 15400140), (60, 13603457), (70, 11660106), (74, 11029830), (84, 9716755), (105, 7773404), (106, 7700070), (111, 7353220), (140, 5830053), (148, 5514915), (159, 5133380), (185, 4411932), (210, 3886702), (212, 3850035), (222, 3676610), (259, 3151380), (265, 3080028), (318, 2566690), (370, 2205966), (371, 2200020), (420, 1943351), (444, 1838305), (518, 1575690), (530, 1540014), (555, 1470644), (636, 1283345), (740, 1102983), (742, 1100010), (777, 1050460), (795, 1026676), (991, 823620), (1036, 787845), (1060, 770007), (1110, 735322), (1113, 733340), (1295, 630276), (1484, 550005), (1554, 525230), (1590, 513338), (1855, 440004), (1961, 416220), (1982, 411810), (2220, 367661), (2226, 366670), (2590, 315138), (2973, 274540), (3108, 262615), (3180, 256669), (3710, 220002), (3885, 210092), (3922, 208110), (3964, 205905), (4452, 183335), (4955, 164724), (5180, 157569), (5565, 146668), (5883, 138740), (5946, 137270), (6937, 117660), (7420, 110001), (7770, 105046), (7844, 104055), (9805, 83244), (9910, 82362), (11130, 73334), (11766, 69370), (11892, 68635), (13727, 59460), (13874, 58830), (14865, 54908), (15540, 52523), (19610, 41622), (19820, 41181), (20811, 39220), (22260, 36667), (23532, 34685), (27454, 29730), (27748, 29415)]