81588960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56659}}^1$

素因数の和:56680

約数の個数: 72

約数和(自身を含む): 278427240

約数和(自身を除く): 196838280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56659, 113318, 169977, 226636, 283295, 339954, 453272, 509931, 566590, 679908, 849885, 906544, 1019862, 1133180, 1359816, 1699770, 1813088, 2039724, 2266360, 2549655, 2719632, 3399540, 4079448, 4532720, 5099310, 5439264, 6799080, 8158896, 9065440, 10198620, 13598160, 16317792, 20397240, 27196320, 40794480, 81588960]

約数ペア:

[(1, 81588960), (2, 40794480), (3, 27196320), (4, 20397240), (5, 16317792), (6, 13598160), (8, 10198620), (9, 9065440), (10, 8158896), (12, 6799080), (15, 5439264), (16, 5099310), (18, 4532720), (20, 4079448), (24, 3399540), (30, 2719632), (32, 2549655), (36, 2266360), (40, 2039724), (45, 1813088), (48, 1699770), (60, 1359816), (72, 1133180), (80, 1019862), (90, 906544), (96, 849885), (120, 679908), (144, 566590), (160, 509931), (180, 453272), (240, 339954), (288, 283295), (360, 226636), (480, 169977), (720, 113318), (1440, 56659)]