39920160

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^2$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 145043136

約数和(自身を除く): 105122976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 109, 112, 120, 140, 160, 168, 210, 218, 224, 240, 280, 327, 336, 420, 436, 480, 545, 560, 654, 672, 763, 840, 872, 1090, 1120, 1308, 1526, 1635, 1680, 1744, 2180, 2289, 2616, 3052, 3270, 3360, 3488, 3815, 4360, 4578, 5232, 6104, 6540, 7630, 8720, 9156, 10464, 11445, 11881, 12208, 13080, 15260, 17440, 18312, 22890, 23762, 24416, 26160, 30520, 35643, 36624, 45780, 47524, 52320, 59405, 61040, 71286, 73248, 83167, 91560, 95048, 118810, 122080, 142572, 166334, 178215, 183120, 190096, 237620, 249501, 285144, 332668, 356430, 366240, 380192, 415835, 475240, 499002, 570288, 665336, 712860, 831670, 950480, 998004, 1140576, 1247505, 1330672, 1425720, 1663340, 1900960, 1996008, 2495010, 2661344, 2851440, 3326680, 3992016, 4990020, 5702880, 6653360, 7984032, 9980040, 13306720, 19960080, 39920160]

約数ペア:

[(1, 39920160), (2, 19960080), (3, 13306720), (4, 9980040), (5, 7984032), (6, 6653360), (7, 5702880), (8, 4990020), (10, 3992016), (12, 3326680), (14, 2851440), (15, 2661344), (16, 2495010), (20, 1996008), (21, 1900960), (24, 1663340), (28, 1425720), (30, 1330672), (32, 1247505), (35, 1140576), (40, 998004), (42, 950480), (48, 831670), (56, 712860), (60, 665336), (70, 570288), (80, 499002), (84, 475240), (96, 415835), (105, 380192), (109, 366240), (112, 356430), (120, 332668), (140, 285144), (160, 249501), (168, 237620), (210, 190096), (218, 183120), (224, 178215), (240, 166334), (280, 142572), (327, 122080), (336, 118810), (420, 95048), (436, 91560), (480, 83167), (545, 73248), (560, 71286), (654, 61040), (672, 59405), (763, 52320), (840, 47524), (872, 45780), (1090, 36624), (1120, 35643), (1308, 30520), (1526, 26160), (1635, 24416), (1680, 23762), (1744, 22890), (2180, 18312), (2289, 17440), (2616, 15260), (3052, 13080), (3270, 12208), (3360, 11881), (3488, 11445), (3815, 10464), (4360, 9156), (4578, 8720), (5232, 7630), (6104, 6540)]