71312120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 185068800

約数和(自身を除く): 113756680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 59, 67, 82, 88, 110, 118, 134, 164, 205, 220, 236, 268, 295, 328, 335, 410, 440, 451, 472, 536, 590, 649, 670, 737, 820, 902, 1180, 1298, 1340, 1474, 1640, 1804, 2255, 2360, 2419, 2596, 2680, 2747, 2948, 3245, 3608, 3685, 3953, 4510, 4838, 5192, 5494, 5896, 6490, 7370, 7906, 9020, 9676, 10988, 12095, 12980, 13735, 14740, 15812, 18040, 19352, 19765, 21976, 24190, 25960, 26609, 27470, 29480, 30217, 31624, 39530, 43483, 48380, 53218, 54940, 60434, 79060, 86966, 96760, 106436, 109880, 120868, 133045, 151085, 158120, 162073, 173932, 212872, 217415, 241736, 266090, 302170, 324146, 347864, 434830, 532180, 604340, 648292, 810365, 869660, 1064360, 1208680, 1296584, 1620730, 1739320, 1782803, 3241460, 3565606, 6482920, 7131212, 8914015, 14262424, 17828030, 35656060, 71312120]

約数ペア:

[(1, 71312120), (2, 35656060), (4, 17828030), (5, 14262424), (8, 8914015), (10, 7131212), (11, 6482920), (20, 3565606), (22, 3241460), (40, 1782803), (41, 1739320), (44, 1620730), (55, 1296584), (59, 1208680), (67, 1064360), (82, 869660), (88, 810365), (110, 648292), (118, 604340), (134, 532180), (164, 434830), (205, 347864), (220, 324146), (236, 302170), (268, 266090), (295, 241736), (328, 217415), (335, 212872), (410, 173932), (440, 162073), (451, 158120), (472, 151085), (536, 133045), (590, 120868), (649, 109880), (670, 106436), (737, 96760), (820, 86966), (902, 79060), (1180, 60434), (1298, 54940), (1340, 53218), (1474, 48380), (1640, 43483), (1804, 39530), (2255, 31624), (2360, 30217), (2419, 29480), (2596, 27470), (2680, 26609), (2747, 25960), (2948, 24190), (3245, 21976), (3608, 19765), (3685, 19352), (3953, 18040), (4510, 15812), (4838, 14740), (5192, 13735), (5494, 12980), (5896, 12095), (6490, 10988), (7370, 9676), (7906, 9020)]