81347040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3323}}^1$

素因数の和:3361

約数の個数: 144

約数和(自身を含む): 294014448

約数和(自身を除く): 212667408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 3323, 4080, 4896, 6120, 6646, 8160, 9969, 12240, 13292, 16615, 19938, 24480, 26584, 29907, 33230, 39876, 49845, 53168, 56491, 59814, 66460, 79752, 99690, 106336, 112982, 119628, 132920, 149535, 159504, 169473, 199380, 225964, 239256, 265840, 282455, 299070, 319008, 338946, 398760, 451928, 478512, 508419, 531680, 564910, 598140, 677892, 797520, 847365, 903856, 957024, 1016838, 1129820, 1196280, 1355784, 1595040, 1694730, 1807712, 2033676, 2259640, 2392560, 2542095, 2711568, 3389460, 4067352, 4519280, 4785120, 5084190, 5423136, 6778920, 8134704, 9038560, 10168380, 13557840, 16269408, 20336760, 27115680, 40673520, 81347040]

約数ペア:

[(1, 81347040), (2, 40673520), (3, 27115680), (4, 20336760), (5, 16269408), (6, 13557840), (8, 10168380), (9, 9038560), (10, 8134704), (12, 6778920), (15, 5423136), (16, 5084190), (17, 4785120), (18, 4519280), (20, 4067352), (24, 3389460), (30, 2711568), (32, 2542095), (34, 2392560), (36, 2259640), (40, 2033676), (45, 1807712), (48, 1694730), (51, 1595040), (60, 1355784), (68, 1196280), (72, 1129820), (80, 1016838), (85, 957024), (90, 903856), (96, 847365), (102, 797520), (120, 677892), (136, 598140), (144, 564910), (153, 531680), (160, 508419), (170, 478512), (180, 451928), (204, 398760), (240, 338946), (255, 319008), (272, 299070), (288, 282455), (306, 265840), (340, 239256), (360, 225964), (408, 199380), (480, 169473), (510, 159504), (544, 149535), (612, 132920), (680, 119628), (720, 112982), (765, 106336), (816, 99690), (1020, 79752), (1224, 66460), (1360, 59814), (1440, 56491), (1530, 53168), (1632, 49845), (2040, 39876), (2448, 33230), (2720, 29907), (3060, 26584), (3323, 24480), (4080, 19938), (4896, 16615), (6120, 13292), (6646, 12240), (8160, 9969)]