2178764720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{225079}}^1$

素因数の和:225114

約数の個数: 60

約数和(自身を含む): 5568029040

約数和(自身を除く): 3389264320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 225079, 450158, 900316, 1125395, 1800632, 2250790, 2475869, 3601264, 4501580, 4951738, 9003160, 9903476, 12379345, 18006320, 19806952, 24758690, 27234559, 39613904, 49517380, 54469118, 99034760, 108938236, 136172795, 198069520, 217876472, 272345590, 435752944, 544691180, 1089382360, 2178764720]

約数ペア:

[(1, 2178764720), (2, 1089382360), (4, 544691180), (5, 435752944), (8, 272345590), (10, 217876472), (11, 198069520), (16, 136172795), (20, 108938236), (22, 99034760), (40, 54469118), (44, 49517380), (55, 39613904), (80, 27234559), (88, 24758690), (110, 19806952), (121, 18006320), (176, 12379345), (220, 9903476), (242, 9003160), (440, 4951738), (484, 4501580), (605, 3601264), (880, 2475869), (968, 2250790), (1210, 1800632), (1936, 1125395), (2420, 900316), (4840, 450158), (9680, 225079)]