17798220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 60147360

約数和(自身を除く): 42349140

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, 89, 90, 99, 101, 110, 132, 165, 178, 180, 198, 202, 220, 267, 303, 330, 356, 396, 404, 445, 495, 505, 534, 606, 660, 801, 890, 909, 979, 990, 1010, 1068, 1111, 1212, 1335, 1515, 1602, 1780, 1818, 1958, 1980, 2020, 2222, 2670, 2937, 3030, 3204, 3333, 3636, 3916, 4005, 4444, 4545, 4895, 5340, 5555, 5874, 6060, 6666, 8010, 8811, 8989, 9090, 9790, 9999, 11110, 11748, 13332, 14685, 16020, 16665, 17622, 17978, 18180, 19580, 19998, 22220, 26967, 29370, 33330, 35244, 35956, 39996, 44055, 44945, 49995, 53934, 58740, 66660, 80901, 88110, 89890, 98879, 99990, 107868, 134835, 161802, 176220, 179780, 197758, 199980, 269670, 296637, 323604, 395516, 404505, 494395, 539340, 593274, 809010, 889911, 988790, 1186548, 1483185, 1618020, 1779822, 1977580, 2966370, 3559644, 4449555, 5932740, 8899110, 17798220]

約数ペア:

[(1, 17798220), (2, 8899110), (3, 5932740), (4, 4449555), (5, 3559644), (6, 2966370), (9, 1977580), (10, 1779822), (11, 1618020), (12, 1483185), (15, 1186548), (18, 988790), (20, 889911), (22, 809010), (30, 593274), (33, 539340), (36, 494395), (44, 404505), (45, 395516), (55, 323604), (60, 296637), (66, 269670), (89, 199980), (90, 197758), (99, 179780), (101, 176220), (110, 161802), (132, 134835), (165, 107868), (178, 99990), (180, 98879), (198, 89890), (202, 88110), (220, 80901), (267, 66660), (303, 58740), (330, 53934), (356, 49995), (396, 44945), (404, 44055), (445, 39996), (495, 35956), (505, 35244), (534, 33330), (606, 29370), (660, 26967), (801, 22220), (890, 19998), (909, 19580), (979, 18180), (990, 17978), (1010, 17622), (1068, 16665), (1111, 16020), (1212, 14685), (1335, 13332), (1515, 11748), (1602, 11110), (1780, 9999), (1818, 9790), (1958, 9090), (1980, 8989), (2020, 8811), (2222, 8010), (2670, 6666), (2937, 6060), (3030, 5874), (3204, 5555), (3333, 5340), (3636, 4895), (3916, 4545), (4005, 4444)]