987981330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:221

約数の個数: 256

約数和(自身を含む): 2978021376

約数和(自身を除く): 1990040046

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 43, 46, 67, 69, 70, 71, 86, 105, 115, 129, 134, 138, 142, 161, 201, 210, 213, 215, 230, 258, 301, 322, 335, 345, 355, 402, 426, 430, 469, 483, 497, 602, 645, 670, 690, 710, 805, 903, 938, 966, 989, 994, 1005, 1065, 1290, 1407, 1491, 1505, 1541, 1610, 1633, 1806, 1978, 2010, 2130, 2345, 2415, 2485, 2814, 2881, 2967, 2982, 3010, 3053, 3082, 3266, 4515, 4623, 4690, 4757, 4830, 4899, 4945, 4970, 5762, 5934, 6106, 6923, 7035, 7455, 7705, 8165, 8643, 9030, 9159, 9246, 9514, 9798, 9890, 10787, 11431, 13846, 14070, 14271, 14405, 14835, 14910, 15265, 15410, 16330, 17286, 18318, 20167, 20769, 21371, 21574, 22862, 23115, 23785, 24495, 28542, 28810, 29670, 30530, 32361, 33299, 34293, 34615, 40334, 41538, 42742, 43215, 45795, 46230, 47570, 48990, 53935, 57155, 60501, 64113, 64722, 66263, 66598, 68586, 69230, 70219, 71355, 86430, 91590, 99897, 100835, 103845, 106855, 107870, 109411, 114310, 121002, 128226, 132526, 140438, 142710, 161805, 166495, 171465, 198789, 199794, 201670, 204551, 207690, 210657, 213710, 218822, 302505, 320565, 323610, 328233, 331315, 332990, 342930, 351095, 397578, 409102, 421314, 463841, 491533, 499485, 547055, 605010, 613653, 641130, 656466, 662630, 702190, 765877, 927682, 983066, 993945, 998970, 1022755, 1053285, 1094110, 1227306, 1391523, 1431857, 1474599, 1531754, 1641165, 1987890, 2045510, 2106570, 2297631, 2319205, 2457665, 2783046, 2863714, 2949198, 3068265, 3282330, 3829385, 4295571, 4595262, 4638410, 4704673, 4915330, 6136530, 6957615, 7159285, 7372995, 7658770, 8591142, 9409346, 11488155, 13915230, 14114019, 14318570, 14745990, 21477855, 22976310, 23523365, 28228038, 32932711, 42955710, 47046730, 65865422, 70570095, 98798133, 141140190, 164663555, 197596266, 329327110, 493990665, 987981330]

約数ペア:

[(1, 987981330), (2, 493990665), (3, 329327110), (5, 197596266), (6, 164663555), (7, 141140190), (10, 98798133), (14, 70570095), (15, 65865422), (21, 47046730), (23, 42955710), (30, 32932711), (35, 28228038), (42, 23523365), (43, 22976310), (46, 21477855), (67, 14745990), (69, 14318570), (70, 14114019), (71, 13915230), (86, 11488155), (105, 9409346), (115, 8591142), (129, 7658770), (134, 7372995), (138, 7159285), (142, 6957615), (161, 6136530), (201, 4915330), (210, 4704673), (213, 4638410), (215, 4595262), (230, 4295571), (258, 3829385), (301, 3282330), (322, 3068265), (335, 2949198), (345, 2863714), (355, 2783046), (402, 2457665), (426, 2319205), (430, 2297631), (469, 2106570), (483, 2045510), (497, 1987890), (602, 1641165), (645, 1531754), (670, 1474599), (690, 1431857), (710, 1391523), (805, 1227306), (903, 1094110), (938, 1053285), (966, 1022755), (989, 998970), (994, 993945), (1005, 983066), (1065, 927682), (1290, 765877), (1407, 702190), (1491, 662630), (1505, 656466), (1541, 641130), (1610, 613653), (1633, 605010), (1806, 547055), (1978, 499485), (2010, 491533), (2130, 463841), (2345, 421314), (2415, 409102), (2485, 397578), (2814, 351095), (2881, 342930), (2967, 332990), (2982, 331315), (3010, 328233), (3053, 323610), (3082, 320565), (3266, 302505), (4515, 218822), (4623, 213710), (4690, 210657), (4757, 207690), (4830, 204551), (4899, 201670), (4945, 199794), (4970, 198789), (5762, 171465), (5934, 166495), (6106, 161805), (6923, 142710), (7035, 140438), (7455, 132526), (7705, 128226), (8165, 121002), (8643, 114310), (9030, 109411), (9159, 107870), (9246, 106855), (9514, 103845), (9798, 100835), (9890, 99897), (10787, 91590), (11431, 86430), (13846, 71355), (14070, 70219), (14271, 69230), (14405, 68586), (14835, 66598), (14910, 66263), (15265, 64722), (15410, 64113), (16330, 60501), (17286, 57155), (18318, 53935), (20167, 48990), (20769, 47570), (21371, 46230), (21574, 45795), (22862, 43215), (23115, 42742), (23785, 41538), (24495, 40334), (28542, 34615), (28810, 34293), (29670, 33299), (30530, 32361)]