1288343320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{62299}}^1$

素因数の和:62368

約数の個数: 64

約数和(自身を含む): 3229632000

約数和(自身を除く): 1941288680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 20680, 62299, 124598, 249196, 311495, 498392, 622990, 685289, 1245980, 1370578, 2491960, 2741156, 2928053, 3426445, 5482312, 5856106, 6852890, 11712212, 13705780, 14640265, 23424424, 27411560, 29280530, 32208583, 58561060, 64417166, 117122120, 128834332, 161042915, 257668664, 322085830, 644171660, 1288343320]

約数ペア:

[(1, 1288343320), (2, 644171660), (4, 322085830), (5, 257668664), (8, 161042915), (10, 128834332), (11, 117122120), (20, 64417166), (22, 58561060), (40, 32208583), (44, 29280530), (47, 27411560), (55, 23424424), (88, 14640265), (94, 13705780), (110, 11712212), (188, 6852890), (220, 5856106), (235, 5482312), (376, 3426445), (440, 2928053), (470, 2741156), (517, 2491960), (940, 1370578), (1034, 1245980), (1880, 685289), (2068, 622990), (2585, 498392), (4136, 311495), (5170, 249196), (10340, 124598), (20680, 62299)]