78344475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 145459440

約数和(自身を除く): 67114965

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 89, 97, 121, 165, 267, 275, 291, 363, 445, 485, 605, 825, 979, 1067, 1335, 1455, 1815, 2225, 2425, 2937, 3025, 3201, 4895, 5335, 6675, 7275, 8633, 9075, 10769, 11737, 14685, 16005, 24475, 25899, 26675, 32307, 35211, 43165, 53845, 58685, 73425, 80025, 94963, 129495, 161535, 176055, 215825, 269225, 284889, 293425, 474815, 647475, 807675, 880275, 1044593, 1424445, 2374075, 3133779, 5222965, 7122225, 15668895, 26114825, 78344475]

約数ペア:

[(1, 78344475), (3, 26114825), (5, 15668895), (11, 7122225), (15, 5222965), (25, 3133779), (33, 2374075), (55, 1424445), (75, 1044593), (89, 880275), (97, 807675), (121, 647475), (165, 474815), (267, 293425), (275, 284889), (291, 269225), (363, 215825), (445, 176055), (485, 161535), (605, 129495), (825, 94963), (979, 80025), (1067, 73425), (1335, 58685), (1455, 53845), (1815, 43165), (2225, 35211), (2425, 32307), (2937, 26675), (3025, 25899), (3201, 24475), (4895, 16005), (5335, 14685), (6675, 11737), (7275, 10769), (8633, 9075)]