128361720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56299}}^1$

素因数の和:56332

約数の個数: 64

約数和(自身を含む): 405360000

約数和(自身を除く): 276998280

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, 56299, 112598, 168897, 225196, 281495, 337794, 450392, 562990, 675588, 844485, 1069681, 1125980, 1351176, 1688970, 2139362, 2251960, 3209043, 3377940, 4278724, 5348405, 6418086, 6755880, 8557448, 10696810, 12836172, 16045215, 21393620, 25672344, 32090430, 42787240, 64180860, 128361720]

約数ペア:

[(1, 128361720), (2, 64180860), (3, 42787240), (4, 32090430), (5, 25672344), (6, 21393620), (8, 16045215), (10, 12836172), (12, 10696810), (15, 8557448), (19, 6755880), (20, 6418086), (24, 5348405), (30, 4278724), (38, 3377940), (40, 3209043), (57, 2251960), (60, 2139362), (76, 1688970), (95, 1351176), (114, 1125980), (120, 1069681), (152, 844485), (190, 675588), (228, 562990), (285, 450392), (380, 337794), (456, 281495), (570, 225196), (760, 168897), (1140, 112598), (2280, 56299)]