218483820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{6781}}^1$

素因数の和:6975

約数の個数: 72

約数和(自身を含む): 666534960

約数和(自身を除く): 448051140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2685, 3222, 3580, 5370, 6444, 6781, 8055, 10740, 13562, 16110, 20343, 27124, 32220, 33905, 40686, 61029, 67810, 81372, 101715, 122058, 135620, 203430, 244116, 305145, 406860, 610290, 1213799, 1220580, 2427598, 3641397, 4855196, 6068995, 7282794, 10924191, 12137990, 14565588, 18206985, 21848382, 24275980, 36413970, 43696764, 54620955, 72827940, 109241910, 218483820]

約数ペア:

[(1, 218483820), (2, 109241910), (3, 72827940), (4, 54620955), (5, 43696764), (6, 36413970), (9, 24275980), (10, 21848382), (12, 18206985), (15, 14565588), (18, 12137990), (20, 10924191), (30, 7282794), (36, 6068995), (45, 4855196), (60, 3641397), (90, 2427598), (179, 1220580), (180, 1213799), (358, 610290), (537, 406860), (716, 305145), (895, 244116), (1074, 203430), (1611, 135620), (1790, 122058), (2148, 101715), (2685, 81372), (3222, 67810), (3580, 61029), (5370, 40686), (6444, 33905), (6781, 32220), (8055, 27124), (10740, 20343), (13562, 16110)]