65021220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32839}}^1$

素因数の和:32865

約数の個数: 72

約数和(自身を含む): 215167680

約数和(自身を除く): 150146460

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, 32839, 65678, 98517, 131356, 164195, 197034, 295551, 328390, 361229, 394068, 492585, 591102, 656780, 722458, 985170, 1083687, 1182204, 1444916, 1477755, 1806145, 1970340, 2167374, 2955510, 3251061, 3612290, 4334748, 5418435, 5911020, 6502122, 7224580, 10836870, 13004244, 16255305, 21673740, 32510610, 65021220]

約数ペア:

[(1, 65021220), (2, 32510610), (3, 21673740), (4, 16255305), (5, 13004244), (6, 10836870), (9, 7224580), (10, 6502122), (11, 5911020), (12, 5418435), (15, 4334748), (18, 3612290), (20, 3251061), (22, 2955510), (30, 2167374), (33, 1970340), (36, 1806145), (44, 1477755), (45, 1444916), (55, 1182204), (60, 1083687), (66, 985170), (90, 722458), (99, 656780), (110, 591102), (132, 492585), (165, 394068), (180, 361229), (198, 328390), (220, 295551), (330, 197034), (396, 164195), (495, 131356), (660, 98517), (990, 65678), (1980, 32839)]