261443820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2213}}^1$

素因数の和:2415

約数の個数: 96

約数和(自身を含む): 803416320

約数和(自身を除く): 541972500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 179, 220, 330, 358, 537, 660, 716, 895, 1074, 1790, 1969, 2148, 2213, 2685, 3580, 3938, 4426, 5370, 5907, 6639, 7876, 8852, 9845, 10740, 11065, 11814, 13278, 19690, 22130, 23628, 24343, 26556, 29535, 33195, 39380, 44260, 48686, 59070, 66390, 73029, 97372, 118140, 121715, 132780, 146058, 243430, 292116, 365145, 396127, 486860, 730290, 792254, 1188381, 1460580, 1584508, 1980635, 2376762, 3961270, 4357397, 4753524, 5941905, 7922540, 8714794, 11883810, 13072191, 17429588, 21786985, 23767620, 26144382, 43573970, 52288764, 65360955, 87147940, 130721910, 261443820]

約数ペア:

[(1, 261443820), (2, 130721910), (3, 87147940), (4, 65360955), (5, 52288764), (6, 43573970), (10, 26144382), (11, 23767620), (12, 21786985), (15, 17429588), (20, 13072191), (22, 11883810), (30, 8714794), (33, 7922540), (44, 5941905), (55, 4753524), (60, 4357397), (66, 3961270), (110, 2376762), (132, 1980635), (165, 1584508), (179, 1460580), (220, 1188381), (330, 792254), (358, 730290), (537, 486860), (660, 396127), (716, 365145), (895, 292116), (1074, 243430), (1790, 146058), (1969, 132780), (2148, 121715), (2213, 118140), (2685, 97372), (3580, 73029), (3938, 66390), (4426, 59070), (5370, 48686), (5907, 44260), (6639, 39380), (7876, 33195), (8852, 29535), (9845, 26556), (10740, 24343), (11065, 23628), (11814, 22130), (13278, 19690)]