668146920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:768

約数の個数: 256

約数和(自身を含む): 2463436800

約数和(自身を除く): 1795289880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 71, 84, 85, 102, 105, 119, 120, 136, 140, 142, 168, 170, 204, 210, 213, 238, 255, 280, 284, 340, 355, 357, 408, 420, 426, 476, 497, 510, 568, 595, 659, 680, 710, 714, 840, 852, 952, 994, 1020, 1065, 1190, 1207, 1318, 1420, 1428, 1491, 1704, 1785, 1977, 1988, 2040, 2130, 2380, 2414, 2485, 2636, 2840, 2856, 2982, 3295, 3570, 3621, 3954, 3976, 4260, 4613, 4760, 4828, 4970, 5272, 5964, 6035, 6590, 7140, 7242, 7455, 7908, 8449, 8520, 9226, 9656, 9885, 9940, 11203, 11928, 12070, 13180, 13839, 14280, 14484, 14910, 15816, 16898, 18105, 18452, 19770, 19880, 22406, 23065, 24140, 25347, 26360, 27678, 28968, 29820, 33609, 33796, 36210, 36904, 39540, 42245, 44812, 46130, 46789, 48280, 50694, 55356, 56015, 59640, 67218, 67592, 69195, 72420, 78421, 79080, 84490, 89624, 92260, 93578, 101388, 110712, 112030, 126735, 134436, 138390, 140367, 144840, 156842, 168045, 168980, 184520, 187156, 202776, 224060, 233945, 235263, 253470, 268872, 276780, 280734, 313684, 327523, 336090, 337960, 374312, 392105, 448120, 467890, 470526, 506940, 553560, 561468, 627368, 655046, 672180, 701835, 784210, 795413, 935780, 941052, 982569, 1013880, 1122936, 1176315, 1310092, 1344360, 1403670, 1568420, 1590826, 1637615, 1871560, 1882104, 1965138, 2352630, 2386239, 2620184, 2807340, 3136840, 3181652, 3275230, 3930276, 3977065, 4705260, 4772478, 4912845, 5567891, 5614680, 6363304, 6550460, 7860552, 7954130, 9410520, 9544956, 9825690, 11135782, 11931195, 13100920, 15908260, 16703673, 19089912, 19651380, 22271564, 23862390, 27839455, 31816520, 33407346, 39302760, 44543128, 47724780, 55678910, 66814692, 83518365, 95449560, 111357820, 133629384, 167036730, 222715640, 334073460, 668146920]

約数ペア:

[(1, 668146920), (2, 334073460), (3, 222715640), (4, 167036730), (5, 133629384), (6, 111357820), (7, 95449560), (8, 83518365), (10, 66814692), (12, 55678910), (14, 47724780), (15, 44543128), (17, 39302760), (20, 33407346), (21, 31816520), (24, 27839455), (28, 23862390), (30, 22271564), (34, 19651380), (35, 19089912), (40, 16703673), (42, 15908260), (51, 13100920), (56, 11931195), (60, 11135782), (68, 9825690), (70, 9544956), (71, 9410520), (84, 7954130), (85, 7860552), (102, 6550460), (105, 6363304), (119, 5614680), (120, 5567891), (136, 4912845), (140, 4772478), (142, 4705260), (168, 3977065), (170, 3930276), (204, 3275230), (210, 3181652), (213, 3136840), (238, 2807340), (255, 2620184), (280, 2386239), (284, 2352630), (340, 1965138), (355, 1882104), (357, 1871560), (408, 1637615), (420, 1590826), (426, 1568420), (476, 1403670), (497, 1344360), (510, 1310092), (568, 1176315), (595, 1122936), (659, 1013880), (680, 982569), (710, 941052), (714, 935780), (840, 795413), (852, 784210), (952, 701835), (994, 672180), (1020, 655046), (1065, 627368), (1190, 561468), (1207, 553560), (1318, 506940), (1420, 470526), (1428, 467890), (1491, 448120), (1704, 392105), (1785, 374312), (1977, 337960), (1988, 336090), (2040, 327523), (2130, 313684), (2380, 280734), (2414, 276780), (2485, 268872), (2636, 253470), (2840, 235263), (2856, 233945), (2982, 224060), (3295, 202776), (3570, 187156), (3621, 184520), (3954, 168980), (3976, 168045), (4260, 156842), (4613, 144840), (4760, 140367), (4828, 138390), (4970, 134436), (5272, 126735), (5964, 112030), (6035, 110712), (6590, 101388), (7140, 93578), (7242, 92260), (7455, 89624), (7908, 84490), (8449, 79080), (8520, 78421), (9226, 72420), (9656, 69195), (9885, 67592), (9940, 67218), (11203, 59640), (11928, 56015), (12070, 55356), (13180, 50694), (13839, 48280), (14280, 46789), (14484, 46130), (14910, 44812), (15816, 42245), (16898, 39540), (18105, 36904), (18452, 36210), (19770, 33796), (19880, 33609), (22406, 29820), (23065, 28968), (24140, 27678), (25347, 26360)]