31848560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:966

約数の個数: 80

約数和(自身を含む): 81423360

約数和(自身を除く): 49574800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 911, 920, 1520, 1748, 1822, 1840, 2185, 3496, 3644, 4370, 4555, 6992, 7288, 8740, 9110, 14576, 17309, 17480, 18220, 20953, 34618, 34960, 36440, 41906, 69236, 72880, 83812, 86545, 104765, 138472, 167624, 173090, 209530, 276944, 335248, 346180, 398107, 419060, 692360, 796214, 838120, 1384720, 1592428, 1676240, 1990535, 3184856, 3981070, 6369712, 7962140, 15924280, 31848560]

約数ペア:

[(1, 31848560), (2, 15924280), (4, 7962140), (5, 6369712), (8, 3981070), (10, 3184856), (16, 1990535), (19, 1676240), (20, 1592428), (23, 1384720), (38, 838120), (40, 796214), (46, 692360), (76, 419060), (80, 398107), (92, 346180), (95, 335248), (115, 276944), (152, 209530), (184, 173090), (190, 167624), (230, 138472), (304, 104765), (368, 86545), (380, 83812), (437, 72880), (460, 69236), (760, 41906), (874, 36440), (911, 34960), (920, 34618), (1520, 20953), (1748, 18220), (1822, 17480), (1840, 17309), (2185, 14576), (3496, 9110), (3644, 8740), (4370, 7288), (4555, 6992)]