51707880

素因数分解:

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

素因数の和:129

約数の個数: 288

約数和(自身を含む): 206893440

約数和(自身を除く): 155185560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 71, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 142, 153, 168, 170, 180, 204, 210, 213, 238, 252, 255, 280, 284, 289, 306, 315, 340, 355, 357, 360, 408, 420, 426, 476, 497, 504, 510, 568, 578, 595, 612, 630, 639, 680, 710, 714, 765, 840, 852, 867, 952, 994, 1020, 1065, 1071, 1156, 1190, 1207, 1224, 1260, 1278, 1420, 1428, 1445, 1491, 1530, 1704, 1734, 1785, 1988, 2023, 2040, 2130, 2142, 2312, 2380, 2414, 2485, 2520, 2556, 2601, 2840, 2856, 2890, 2982, 3060, 3195, 3468, 3570, 3621, 3976, 4046, 4260, 4284, 4335, 4473, 4760, 4828, 4970, 5112, 5202, 5355, 5780, 5964, 6035, 6069, 6120, 6390, 6936, 7140, 7242, 7455, 8092, 8449, 8520, 8568, 8670, 8946, 9656, 9940, 10115, 10404, 10710, 10863, 11560, 11928, 12070, 12138, 12780, 13005, 14280, 14484, 14910, 16184, 16898, 17340, 17892, 18105, 18207, 19880, 20230, 20519, 20808, 21420, 21726, 22365, 24140, 24276, 25347, 25560, 26010, 28968, 29820, 30345, 33796, 34680, 35784, 36210, 36414, 40460, 41038, 42245, 42840, 43452, 44730, 48280, 48552, 50694, 52020, 54315, 59640, 60690, 61557, 67592, 72420, 72828, 76041, 80920, 82076, 84490, 86904, 89460, 91035, 101388, 102595, 104040, 108630, 121380, 123114, 126735, 143633, 144840, 145656, 152082, 164152, 168980, 178920, 182070, 184671, 202776, 205190, 217260, 242760, 246228, 253470, 287266, 304164, 307785, 337960, 364140, 369342, 380205, 410380, 430899, 434520, 492456, 506940, 574532, 608328, 615570, 718165, 728280, 738684, 760410, 820760, 861798, 923355, 1013880, 1149064, 1231140, 1292697, 1436330, 1477368, 1520820, 1723596, 1846710, 2154495, 2462280, 2585394, 2872660, 3041640, 3447192, 3693420, 4308990, 5170788, 5745320, 6463485, 7386840, 8617980, 10341576, 12926970, 17235960, 25853940, 51707880]

約数ペア:

[(1, 51707880), (2, 25853940), (3, 17235960), (4, 12926970), (5, 10341576), (6, 8617980), (7, 7386840), (8, 6463485), (9, 5745320), (10, 5170788), (12, 4308990), (14, 3693420), (15, 3447192), (17, 3041640), (18, 2872660), (20, 2585394), (21, 2462280), (24, 2154495), (28, 1846710), (30, 1723596), (34, 1520820), (35, 1477368), (36, 1436330), (40, 1292697), (42, 1231140), (45, 1149064), (51, 1013880), (56, 923355), (60, 861798), (63, 820760), (68, 760410), (70, 738684), (71, 728280), (72, 718165), (84, 615570), (85, 608328), (90, 574532), (102, 506940), (105, 492456), (119, 434520), (120, 430899), (126, 410380), (136, 380205), (140, 369342), (142, 364140), (153, 337960), (168, 307785), (170, 304164), (180, 287266), (204, 253470), (210, 246228), (213, 242760), (238, 217260), (252, 205190), (255, 202776), (280, 184671), (284, 182070), (289, 178920), (306, 168980), (315, 164152), (340, 152082), (355, 145656), (357, 144840), (360, 143633), (408, 126735), (420, 123114), (426, 121380), (476, 108630), (497, 104040), (504, 102595), (510, 101388), (568, 91035), (578, 89460), (595, 86904), (612, 84490), (630, 82076), (639, 80920), (680, 76041), (710, 72828), (714, 72420), (765, 67592), (840, 61557), (852, 60690), (867, 59640), (952, 54315), (994, 52020), (1020, 50694), (1065, 48552), (1071, 48280), (1156, 44730), (1190, 43452), (1207, 42840), (1224, 42245), (1260, 41038), (1278, 40460), (1420, 36414), (1428, 36210), (1445, 35784), (1491, 34680), (1530, 33796), (1704, 30345), (1734, 29820), (1785, 28968), (1988, 26010), (2023, 25560), (2040, 25347), (2130, 24276), (2142, 24140), (2312, 22365), (2380, 21726), (2414, 21420), (2485, 20808), (2520, 20519), (2556, 20230), (2601, 19880), (2840, 18207), (2856, 18105), (2890, 17892), (2982, 17340), (3060, 16898), (3195, 16184), (3468, 14910), (3570, 14484), (3621, 14280), (3976, 13005), (4046, 12780), (4260, 12138), (4284, 12070), (4335, 11928), (4473, 11560), (4760, 10863), (4828, 10710), (4970, 10404), (5112, 10115), (5202, 9940), (5355, 9656), (5780, 8946), (5964, 8670), (6035, 8568), (6069, 8520), (6120, 8449), (6390, 8092), (6936, 7455), (7140, 7242)]