1621396260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{818887}}^1$

素因数の和:818913

約数の個数: 72

約数和(自身を含む): 5365354176

約数和(自身を除く): 3743957916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 818887, 1637774, 2456661, 3275548, 4094435, 4913322, 7369983, 8188870, 9007757, 9826644, 12283305, 14739966, 16377740, 18015514, 24566610, 27023271, 29479932, 36031028, 36849915, 45038785, 49133220, 54046542, 73699830, 81069813, 90077570, 108093084, 135116355, 147399660, 162139626, 180155140, 270232710, 324279252, 405349065, 540465420, 810698130, 1621396260]

約数ペア:

[(1, 1621396260), (2, 810698130), (3, 540465420), (4, 405349065), (5, 324279252), (6, 270232710), (9, 180155140), (10, 162139626), (11, 147399660), (12, 135116355), (15, 108093084), (18, 90077570), (20, 81069813), (22, 73699830), (30, 54046542), (33, 49133220), (36, 45038785), (44, 36849915), (45, 36031028), (55, 29479932), (60, 27023271), (66, 24566610), (90, 18015514), (99, 16377740), (110, 14739966), (132, 12283305), (165, 9826644), (180, 9007757), (198, 8188870), (220, 7369983), (330, 4913322), (396, 4094435), (495, 3275548), (660, 2456661), (990, 1637774), (1980, 818887)]