27799640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 46227880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 41, 44, 46, 55, 67, 82, 88, 92, 110, 115, 134, 164, 184, 205, 220, 230, 253, 268, 328, 335, 410, 440, 451, 460, 506, 536, 670, 737, 820, 902, 920, 943, 1012, 1265, 1340, 1474, 1541, 1640, 1804, 1886, 2024, 2255, 2530, 2680, 2747, 2948, 3082, 3608, 3685, 3772, 4510, 4715, 5060, 5494, 5896, 6164, 7370, 7544, 7705, 9020, 9430, 10120, 10373, 10988, 12328, 13735, 14740, 15410, 16951, 18040, 18860, 20746, 21976, 27470, 29480, 30217, 30820, 33902, 37720, 41492, 51865, 54940, 60434, 61640, 63181, 67804, 82984, 84755, 103730, 109880, 120868, 126362, 135608, 151085, 169510, 207460, 241736, 252724, 302170, 315905, 339020, 414920, 505448, 604340, 631810, 678040, 694991, 1208680, 1263620, 1389982, 2527240, 2779964, 3474955, 5559928, 6949910, 13899820, 27799640]

約数ペア:

[(1, 27799640), (2, 13899820), (4, 6949910), (5, 5559928), (8, 3474955), (10, 2779964), (11, 2527240), (20, 1389982), (22, 1263620), (23, 1208680), (40, 694991), (41, 678040), (44, 631810), (46, 604340), (55, 505448), (67, 414920), (82, 339020), (88, 315905), (92, 302170), (110, 252724), (115, 241736), (134, 207460), (164, 169510), (184, 151085), (205, 135608), (220, 126362), (230, 120868), (253, 109880), (268, 103730), (328, 84755), (335, 82984), (410, 67804), (440, 63181), (451, 61640), (460, 60434), (506, 54940), (536, 51865), (670, 41492), (737, 37720), (820, 33902), (902, 30820), (920, 30217), (943, 29480), (1012, 27470), (1265, 21976), (1340, 20746), (1474, 18860), (1541, 18040), (1640, 16951), (1804, 15410), (1886, 14740), (2024, 13735), (2255, 12328), (2530, 10988), (2680, 10373), (2747, 10120), (2948, 9430), (3082, 9020), (3608, 7705), (3685, 7544), (3772, 7370), (4510, 6164), (4715, 5896), (5060, 5494)]