319986660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1010

約数の個数: 144

約数和(自身を含む): 1051674624

約数和(自身を除く): 731687964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 196, 210, 245, 254, 294, 381, 420, 490, 508, 588, 635, 735, 762, 857, 889, 980, 1270, 1470, 1524, 1714, 1778, 1905, 2540, 2571, 2667, 2940, 3428, 3556, 3810, 4285, 4445, 5142, 5334, 5999, 6223, 7620, 8570, 8890, 10284, 10668, 11998, 12446, 12855, 13335, 17140, 17780, 17997, 18669, 23996, 24892, 25710, 26670, 29995, 31115, 35994, 37338, 41993, 51420, 53340, 59990, 62230, 71988, 74676, 83986, 89985, 93345, 108839, 119980, 124460, 125979, 167972, 179970, 186690, 209965, 217678, 251958, 326517, 359940, 373380, 419930, 435356, 503916, 544195, 629895, 653034, 761873, 839860, 1088390, 1259790, 1306068, 1523746, 1632585, 2176780, 2285619, 2519580, 3047492, 3265170, 3809365, 4571238, 5333111, 6530340, 7618730, 9142476, 10666222, 11428095, 15237460, 15999333, 21332444, 22856190, 26665555, 31998666, 45712380, 53331110, 63997332, 79996665, 106662220, 159993330, 319986660]

約数ペア:

[(1, 319986660), (2, 159993330), (3, 106662220), (4, 79996665), (5, 63997332), (6, 53331110), (7, 45712380), (10, 31998666), (12, 26665555), (14, 22856190), (15, 21332444), (20, 15999333), (21, 15237460), (28, 11428095), (30, 10666222), (35, 9142476), (42, 7618730), (49, 6530340), (60, 5333111), (70, 4571238), (84, 3809365), (98, 3265170), (105, 3047492), (127, 2519580), (140, 2285619), (147, 2176780), (196, 1632585), (210, 1523746), (245, 1306068), (254, 1259790), (294, 1088390), (381, 839860), (420, 761873), (490, 653034), (508, 629895), (588, 544195), (635, 503916), (735, 435356), (762, 419930), (857, 373380), (889, 359940), (980, 326517), (1270, 251958), (1470, 217678), (1524, 209965), (1714, 186690), (1778, 179970), (1905, 167972), (2540, 125979), (2571, 124460), (2667, 119980), (2940, 108839), (3428, 93345), (3556, 89985), (3810, 83986), (4285, 74676), (4445, 71988), (5142, 62230), (5334, 59990), (5999, 53340), (6223, 51420), (7620, 41993), (8570, 37338), (8890, 35994), (10284, 31115), (10668, 29995), (11998, 26670), (12446, 25710), (12855, 24892), (13335, 23996), (17140, 18669), (17780, 17997)]