156398220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78989}}^1$

素因数の和:79015

約数の個数: 72

約数和(自身を含む): 517542480

約数和(自身を除く): 361144260

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, 78989, 157978, 236967, 315956, 394945, 473934, 710901, 789890, 868879, 947868, 1184835, 1421802, 1579780, 1737758, 2369670, 2606637, 2843604, 3475516, 3554505, 4344395, 4739340, 5213274, 7109010, 7819911, 8688790, 10426548, 13033185, 14218020, 15639822, 17377580, 26066370, 31279644, 39099555, 52132740, 78199110, 156398220]

約数ペア:

[(1, 156398220), (2, 78199110), (3, 52132740), (4, 39099555), (5, 31279644), (6, 26066370), (9, 17377580), (10, 15639822), (11, 14218020), (12, 13033185), (15, 10426548), (18, 8688790), (20, 7819911), (22, 7109010), (30, 5213274), (33, 4739340), (36, 4344395), (44, 3554505), (45, 3475516), (55, 2843604), (60, 2606637), (66, 2369670), (90, 1737758), (99, 1579780), (110, 1421802), (132, 1184835), (165, 947868), (180, 868879), (198, 789890), (220, 710901), (330, 473934), (396, 394945), (495, 315956), (660, 236967), (990, 157978), (1980, 78989)]