139440

素因数分解:

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

素因数の和:106

約数の個数: 80

約数和(自身を含む): 499968

約数和(自身を除く): 360528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 105, 112, 120, 140, 166, 168, 210, 240, 249, 280, 332, 336, 415, 420, 498, 560, 581, 664, 830, 840, 996, 1162, 1245, 1328, 1660, 1680, 1743, 1992, 2324, 2490, 2905, 3320, 3486, 3984, 4648, 4980, 5810, 6640, 6972, 8715, 9296, 9960, 11620, 13944, 17430, 19920, 23240, 27888, 34860, 46480, 69720, 139440]

約数ペア:

[(1, 139440), (2, 69720), (3, 46480), (4, 34860), (5, 27888), (6, 23240), (7, 19920), (8, 17430), (10, 13944), (12, 11620), (14, 9960), (15, 9296), (16, 8715), (20, 6972), (21, 6640), (24, 5810), (28, 4980), (30, 4648), (35, 3984), (40, 3486), (42, 3320), (48, 2905), (56, 2490), (60, 2324), (70, 1992), (80, 1743), (83, 1680), (84, 1660), (105, 1328), (112, 1245), (120, 1162), (140, 996), (166, 840), (168, 830), (210, 664), (240, 581), (249, 560), (280, 498), (332, 420), (336, 415)]