1305637520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{3541}}^1$

素因数の和:3984

約数の個数: 80

約数和(自身を含む): 3320412480

約数和(自身を除く): 2014774960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 419, 440, 838, 880, 1676, 2095, 3352, 3541, 4190, 4609, 6704, 7082, 8380, 9218, 14164, 16760, 17705, 18436, 23045, 28328, 33520, 35410, 36872, 38951, 46090, 56656, 70820, 73744, 77902, 92180, 141640, 155804, 184360, 194755, 283280, 311608, 368720, 389510, 623216, 779020, 1483679, 1558040, 2967358, 3116080, 5934716, 7418395, 11869432, 14836790, 16320469, 23738864, 29673580, 32640938, 59347160, 65281876, 81602345, 118694320, 130563752, 163204690, 261127504, 326409380, 652818760, 1305637520]

約数ペア:

[(1, 1305637520), (2, 652818760), (4, 326409380), (5, 261127504), (8, 163204690), (10, 130563752), (11, 118694320), (16, 81602345), (20, 65281876), (22, 59347160), (40, 32640938), (44, 29673580), (55, 23738864), (80, 16320469), (88, 14836790), (110, 11869432), (176, 7418395), (220, 5934716), (419, 3116080), (440, 2967358), (838, 1558040), (880, 1483679), (1676, 779020), (2095, 623216), (3352, 389510), (3541, 368720), (4190, 311608), (4609, 283280), (6704, 194755), (7082, 184360), (8380, 155804), (9218, 141640), (14164, 92180), (16760, 77902), (17705, 73744), (18436, 70820), (23045, 56656), (28328, 46090), (33520, 38951), (35410, 36872)]