2630807440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1\times {\mathrm{761}}^1$

素因数の和:1400

約数の個数: 80

約数和(自身を含む): 6213530880

約数和(自身を除く): 3582723440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 547, 632, 761, 790, 1094, 1264, 1522, 1580, 2188, 2735, 3044, 3160, 3805, 4376, 5470, 6088, 6320, 7610, 8752, 10940, 12176, 15220, 21880, 30440, 43213, 43760, 60119, 60880, 86426, 120238, 172852, 216065, 240476, 300595, 345704, 416267, 432130, 480952, 601190, 691408, 832534, 864260, 961904, 1202380, 1665068, 1728520, 2081335, 2404760, 3330136, 3457040, 4162670, 4809520, 6660272, 8325340, 16650680, 32885093, 33301360, 65770186, 131540372, 164425465, 263080744, 328850930, 526161488, 657701860, 1315403720, 2630807440]

約数ペア:

[(1, 2630807440), (2, 1315403720), (4, 657701860), (5, 526161488), (8, 328850930), (10, 263080744), (16, 164425465), (20, 131540372), (40, 65770186), (79, 33301360), (80, 32885093), (158, 16650680), (316, 8325340), (395, 6660272), (547, 4809520), (632, 4162670), (761, 3457040), (790, 3330136), (1094, 2404760), (1264, 2081335), (1522, 1728520), (1580, 1665068), (2188, 1202380), (2735, 961904), (3044, 864260), (3160, 832534), (3805, 691408), (4376, 601190), (5470, 480952), (6088, 432130), (6320, 416267), (7610, 345704), (8752, 300595), (10940, 240476), (12176, 216065), (15220, 172852), (21880, 120238), (30440, 86426), (43213, 60880), (43760, 60119)]