1298803520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30517}}^1$

素因数の和:30560

約数の個数: 112

約数和(自身を含む): 3720754560

約数和(自身を除く): 2421951040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2660, 3040, 4256, 5320, 6080, 8512, 10640, 21280, 30517, 42560, 61034, 122068, 152585, 213619, 244136, 305170, 427238, 488272, 579823, 610340, 854476, 976544, 1068095, 1159646, 1220680, 1708952, 1953088, 2136190, 2319292, 2441360, 2899115, 3417904, 4058761, 4272380, 4638584, 4882720, 5798230, 6835808, 8117522, 8544760, 9277168, 9765440, 11596460, 13671616, 16235044, 17089520, 18554336, 20293805, 23192920, 32470088, 34179040, 37108672, 40587610, 46385840, 64940176, 68358080, 81175220, 92771680, 129880352, 162350440, 185543360, 259760704, 324700880, 649401760, 1298803520]

約数ペア:

[(1, 1298803520), (2, 649401760), (4, 324700880), (5, 259760704), (7, 185543360), (8, 162350440), (10, 129880352), (14, 92771680), (16, 81175220), (19, 68358080), (20, 64940176), (28, 46385840), (32, 40587610), (35, 37108672), (38, 34179040), (40, 32470088), (56, 23192920), (64, 20293805), (70, 18554336), (76, 17089520), (80, 16235044), (95, 13671616), (112, 11596460), (133, 9765440), (140, 9277168), (152, 8544760), (160, 8117522), (190, 6835808), (224, 5798230), (266, 4882720), (280, 4638584), (304, 4272380), (320, 4058761), (380, 3417904), (448, 2899115), (532, 2441360), (560, 2319292), (608, 2136190), (665, 1953088), (760, 1708952), (1064, 1220680), (1120, 1159646), (1216, 1068095), (1330, 976544), (1520, 854476), (2128, 610340), (2240, 579823), (2660, 488272), (3040, 427238), (4256, 305170), (5320, 244136), (6080, 213619), (8512, 152585), (10640, 122068), (21280, 61034), (30517, 42560)]