16181280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:699

約数の個数: 144

約数和(自身を含む): 58555224

約数和(自身を除く): 42373944

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, 661, 680, 720, 765, 816, 1020, 1224, 1322, 1360, 1440, 1530, 1632, 1983, 2040, 2448, 2644, 2720, 3060, 3305, 3966, 4080, 4896, 5288, 5949, 6120, 6610, 7932, 8160, 9915, 10576, 11237, 11898, 12240, 13220, 15864, 19830, 21152, 22474, 23796, 24480, 26440, 29745, 31728, 33711, 39660, 44948, 47592, 52880, 56185, 59490, 63456, 67422, 79320, 89896, 95184, 101133, 105760, 112370, 118980, 134844, 158640, 168555, 179792, 190368, 202266, 224740, 237960, 269688, 317280, 337110, 359584, 404532, 449480, 475920, 505665, 539376, 674220, 809064, 898960, 951840, 1011330, 1078752, 1348440, 1618128, 1797920, 2022660, 2696880, 3236256, 4045320, 5393760, 8090640, 16181280]

約数ペア:

[(1, 16181280), (2, 8090640), (3, 5393760), (4, 4045320), (5, 3236256), (6, 2696880), (8, 2022660), (9, 1797920), (10, 1618128), (12, 1348440), (15, 1078752), (16, 1011330), (17, 951840), (18, 898960), (20, 809064), (24, 674220), (30, 539376), (32, 505665), (34, 475920), (36, 449480), (40, 404532), (45, 359584), (48, 337110), (51, 317280), (60, 269688), (68, 237960), (72, 224740), (80, 202266), (85, 190368), (90, 179792), (96, 168555), (102, 158640), (120, 134844), (136, 118980), (144, 112370), (153, 105760), (160, 101133), (170, 95184), (180, 89896), (204, 79320), (240, 67422), (255, 63456), (272, 59490), (288, 56185), (306, 52880), (340, 47592), (360, 44948), (408, 39660), (480, 33711), (510, 31728), (544, 29745), (612, 26440), (661, 24480), (680, 23796), (720, 22474), (765, 21152), (816, 19830), (1020, 15864), (1224, 13220), (1322, 12240), (1360, 11898), (1440, 11237), (1530, 10576), (1632, 9915), (1983, 8160), (2040, 7932), (2448, 6610), (2644, 6120), (2720, 5949), (3060, 5288), (3305, 4896), (3966, 4080)]