31438440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:512

約数の個数: 192

約数和(自身を含む): 118272960

約数和(自身を除く): 86834520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 330, 340, 360, 374, 396, 408, 440, 467, 495, 510, 561, 612, 660, 680, 748, 765, 792, 934, 935, 990, 1020, 1122, 1224, 1320, 1401, 1496, 1530, 1683, 1868, 1870, 1980, 2040, 2244, 2335, 2802, 2805, 3060, 3366, 3736, 3740, 3960, 4203, 4488, 4670, 5137, 5604, 5610, 6120, 6732, 7005, 7480, 7939, 8406, 8415, 9340, 10274, 11208, 11220, 13464, 14010, 15411, 15878, 16812, 16830, 18680, 20548, 21015, 22440, 23817, 25685, 28020, 30822, 31756, 33624, 33660, 39695, 41096, 42030, 46233, 47634, 51370, 56040, 61644, 63512, 67320, 71451, 77055, 79390, 84060, 87329, 92466, 95268, 102740, 119085, 123288, 142902, 154110, 158780, 168120, 174658, 184932, 190536, 205480, 231165, 238170, 261987, 285804, 308220, 317560, 349316, 357255, 369864, 436645, 462330, 476340, 523974, 571608, 616440, 698632, 714510, 785961, 873290, 924660, 952680, 1047948, 1309935, 1429020, 1571922, 1746580, 1849320, 2095896, 2619870, 2858040, 3143844, 3493160, 3929805, 5239740, 6287688, 7859610, 10479480, 15719220, 31438440]

約数ペア:

[(1, 31438440), (2, 15719220), (3, 10479480), (4, 7859610), (5, 6287688), (6, 5239740), (8, 3929805), (9, 3493160), (10, 3143844), (11, 2858040), (12, 2619870), (15, 2095896), (17, 1849320), (18, 1746580), (20, 1571922), (22, 1429020), (24, 1309935), (30, 1047948), (33, 952680), (34, 924660), (36, 873290), (40, 785961), (44, 714510), (45, 698632), (51, 616440), (55, 571608), (60, 523974), (66, 476340), (68, 462330), (72, 436645), (85, 369864), (88, 357255), (90, 349316), (99, 317560), (102, 308220), (110, 285804), (120, 261987), (132, 238170), (136, 231165), (153, 205480), (165, 190536), (170, 184932), (180, 174658), (187, 168120), (198, 158780), (204, 154110), (220, 142902), (255, 123288), (264, 119085), (306, 102740), (330, 95268), (340, 92466), (360, 87329), (374, 84060), (396, 79390), (408, 77055), (440, 71451), (467, 67320), (495, 63512), (510, 61644), (561, 56040), (612, 51370), (660, 47634), (680, 46233), (748, 42030), (765, 41096), (792, 39695), (934, 33660), (935, 33624), (990, 31756), (1020, 30822), (1122, 28020), (1224, 25685), (1320, 23817), (1401, 22440), (1496, 21015), (1530, 20548), (1683, 18680), (1868, 16830), (1870, 16812), (1980, 15878), (2040, 15411), (2244, 14010), (2335, 13464), (2802, 11220), (2805, 11208), (3060, 10274), (3366, 9340), (3736, 8415), (3740, 8406), (3960, 7939), (4203, 7480), (4488, 7005), (4670, 6732), (5137, 6120), (5604, 5610)]