1215691840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31397}}^1$

素因数の和:31436

約数の個数: 84

約数和(自身を含む): 3182061708

約数和(自身を除く): 1966369868

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3520, 3872, 4840, 7744, 9680, 19360, 31397, 38720, 62794, 125588, 156985, 251176, 313970, 345367, 502352, 627940, 690734, 1004704, 1255880, 1381468, 1726835, 2009408, 2511760, 2762936, 3453670, 3799037, 5023520, 5525872, 6907340, 7598074, 10047040, 11051744, 13814680, 15196148, 18995185, 22103488, 27629360, 30392296, 37990370, 55258720, 60784592, 75980740, 110517440, 121569184, 151961480, 243138368, 303922960, 607845920, 1215691840]

約数ペア:

[(1, 1215691840), (2, 607845920), (4, 303922960), (5, 243138368), (8, 151961480), (10, 121569184), (11, 110517440), (16, 75980740), (20, 60784592), (22, 55258720), (32, 37990370), (40, 30392296), (44, 27629360), (55, 22103488), (64, 18995185), (80, 15196148), (88, 13814680), (110, 11051744), (121, 10047040), (160, 7598074), (176, 6907340), (220, 5525872), (242, 5023520), (320, 3799037), (352, 3453670), (440, 2762936), (484, 2511760), (605, 2009408), (704, 1726835), (880, 1381468), (968, 1255880), (1210, 1004704), (1760, 690734), (1936, 627940), (2420, 502352), (3520, 345367), (3872, 313970), (4840, 251176), (7744, 156985), (9680, 125588), (19360, 62794), (31397, 38720)]