1330707920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1\times {\mathrm{809}}^1$

素因数の和:1560

約数の個数: 80

約数和(自身を含む): 3209058000

約数和(自身を除く): 1878350080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 709, 809, 1160, 1418, 1618, 2320, 2836, 3236, 3545, 4045, 5672, 6472, 7090, 8090, 11344, 12944, 14180, 16180, 20561, 23461, 28360, 32360, 41122, 46922, 56720, 64720, 82244, 93844, 102805, 117305, 164488, 187688, 205610, 234610, 328976, 375376, 411220, 469220, 573581, 822440, 938440, 1147162, 1644880, 1876880, 2294324, 2867905, 4588648, 5735810, 9177296, 11471620, 16633849, 22943240, 33267698, 45886480, 66535396, 83169245, 133070792, 166338490, 266141584, 332676980, 665353960, 1330707920]

約数ペア:

[(1, 1330707920), (2, 665353960), (4, 332676980), (5, 266141584), (8, 166338490), (10, 133070792), (16, 83169245), (20, 66535396), (29, 45886480), (40, 33267698), (58, 22943240), (80, 16633849), (116, 11471620), (145, 9177296), (232, 5735810), (290, 4588648), (464, 2867905), (580, 2294324), (709, 1876880), (809, 1644880), (1160, 1147162), (1418, 938440), (1618, 822440), (2320, 573581), (2836, 469220), (3236, 411220), (3545, 375376), (4045, 328976), (5672, 234610), (6472, 205610), (7090, 187688), (8090, 164488), (11344, 117305), (12944, 102805), (14180, 93844), (16180, 82244), (20561, 64720), (23461, 56720), (28360, 46922), (32360, 41122)]