128758440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56473}}^1$

素因数の和:56506

約数の個数: 64

約数和(自身を含む): 406612800

約数和(自身を除く): 277854360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 56473, 112946, 169419, 225892, 282365, 338838, 451784, 564730, 677676, 847095, 1072987, 1129460, 1355352, 1694190, 2145974, 2258920, 3218961, 3388380, 4291948, 5364935, 6437922, 6776760, 8583896, 10729870, 12875844, 16094805, 21459740, 25751688, 32189610, 42919480, 64379220, 128758440]

約数ペア:

[(1, 128758440), (2, 64379220), (3, 42919480), (4, 32189610), (5, 25751688), (6, 21459740), (8, 16094805), (10, 12875844), (12, 10729870), (15, 8583896), (19, 6776760), (20, 6437922), (24, 5364935), (30, 4291948), (38, 3388380), (40, 3218961), (57, 2258920), (60, 2145974), (76, 1694190), (95, 1355352), (114, 1129460), (120, 1072987), (152, 847095), (190, 677676), (228, 564730), (285, 451784), (380, 338838), (456, 282365), (570, 225892), (760, 169419), (1140, 112946), (2280, 56473)]