138463920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 240

約数和(自身を含む): 539465472

約数和(自身を除く): 401001552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 83, 84, 90, 105, 112, 120, 126, 140, 144, 166, 168, 180, 210, 240, 249, 252, 280, 315, 331, 332, 336, 360, 415, 420, 498, 504, 560, 581, 630, 662, 664, 720, 747, 830, 840, 993, 996, 1008, 1162, 1245, 1260, 1324, 1328, 1494, 1655, 1660, 1680, 1743, 1986, 1992, 2317, 2324, 2490, 2520, 2648, 2905, 2979, 2988, 3310, 3320, 3486, 3735, 3972, 3984, 4634, 4648, 4965, 4980, 5040, 5229, 5296, 5810, 5958, 5976, 6620, 6640, 6951, 6972, 7470, 7944, 8715, 9268, 9296, 9930, 9960, 10458, 11585, 11620, 11916, 11952, 13240, 13902, 13944, 14895, 14940, 15888, 17430, 18536, 19860, 19920, 20853, 20916, 23170, 23240, 23832, 26145, 26480, 27473, 27804, 27888, 29790, 29880, 34755, 34860, 37072, 39720, 41706, 41832, 46340, 46480, 47664, 52290, 54946, 55608, 59580, 59760, 69510, 69720, 79440, 82419, 83412, 83664, 92680, 104265, 104580, 109892, 111216, 119160, 137365, 139020, 139440, 164838, 166824, 185360, 192311, 208530, 209160, 219784, 238320, 247257, 274730, 278040, 329676, 333648, 384622, 412095, 417060, 418320, 439568, 494514, 549460, 556080, 576933, 659352, 769244, 824190, 834120, 961555, 989028, 1098920, 1153866, 1236285, 1318704, 1538488, 1648380, 1668240, 1730799, 1923110, 1978056, 2197840, 2307732, 2472570, 2884665, 3076976, 3296760, 3461598, 3846220, 3956112, 4615464, 4945140, 5769330, 6593520, 6923196, 7692440, 8653995, 9230928, 9890280, 11538660, 13846392, 15384880, 17307990, 19780560, 23077320, 27692784, 34615980, 46154640, 69231960, 138463920]

約数ペア:

[(1, 138463920), (2, 69231960), (3, 46154640), (4, 34615980), (5, 27692784), (6, 23077320), (7, 19780560), (8, 17307990), (9, 15384880), (10, 13846392), (12, 11538660), (14, 9890280), (15, 9230928), (16, 8653995), (18, 7692440), (20, 6923196), (21, 6593520), (24, 5769330), (28, 4945140), (30, 4615464), (35, 3956112), (36, 3846220), (40, 3461598), (42, 3296760), (45, 3076976), (48, 2884665), (56, 2472570), (60, 2307732), (63, 2197840), (70, 1978056), (72, 1923110), (80, 1730799), (83, 1668240), (84, 1648380), (90, 1538488), (105, 1318704), (112, 1236285), (120, 1153866), (126, 1098920), (140, 989028), (144, 961555), (166, 834120), (168, 824190), (180, 769244), (210, 659352), (240, 576933), (249, 556080), (252, 549460), (280, 494514), (315, 439568), (331, 418320), (332, 417060), (336, 412095), (360, 384622), (415, 333648), (420, 329676), (498, 278040), (504, 274730), (560, 247257), (581, 238320), (630, 219784), (662, 209160), (664, 208530), (720, 192311), (747, 185360), (830, 166824), (840, 164838), (993, 139440), (996, 139020), (1008, 137365), (1162, 119160), (1245, 111216), (1260, 109892), (1324, 104580), (1328, 104265), (1494, 92680), (1655, 83664), (1660, 83412), (1680, 82419), (1743, 79440), (1986, 69720), (1992, 69510), (2317, 59760), (2324, 59580), (2490, 55608), (2520, 54946), (2648, 52290), (2905, 47664), (2979, 46480), (2988, 46340), (3310, 41832), (3320, 41706), (3486, 39720), (3735, 37072), (3972, 34860), (3984, 34755), (4634, 29880), (4648, 29790), (4965, 27888), (4980, 27804), (5040, 27473), (5229, 26480), (5296, 26145), (5810, 23832), (5958, 23240), (5976, 23170), (6620, 20916), (6640, 20853), (6951, 19920), (6972, 19860), (7470, 18536), (7944, 17430), (8715, 15888), (9268, 14940), (9296, 14895), (9930, 13944), (9960, 13902), (10458, 13240), (11585, 11952), (11620, 11916)]