80091990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 239928480

約数和(自身を除く): 159836490

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 89, 90, 99, 101, 110, 135, 162, 165, 178, 198, 202, 267, 270, 297, 303, 330, 405, 445, 495, 505, 534, 594, 606, 801, 810, 890, 891, 909, 979, 990, 1010, 1111, 1335, 1485, 1515, 1602, 1782, 1818, 1958, 2222, 2403, 2670, 2727, 2937, 2970, 3030, 3333, 4005, 4455, 4545, 4806, 4895, 5454, 5555, 5874, 6666, 7209, 8010, 8181, 8811, 8910, 8989, 9090, 9790, 9999, 11110, 12015, 13635, 14418, 14685, 16362, 16665, 17622, 17978, 19998, 24030, 26433, 26967, 27270, 29370, 29997, 33330, 36045, 40905, 44055, 44945, 49995, 52866, 53934, 59994, 72090, 79299, 80901, 81810, 88110, 89890, 89991, 98879, 99990, 132165, 134835, 149985, 158598, 161802, 179982, 197758, 242703, 264330, 269670, 296637, 299970, 396495, 404505, 449955, 485406, 494395, 593274, 728109, 792990, 809010, 889911, 899910, 988790, 1213515, 1456218, 1483185, 1779822, 2427030, 2669733, 2966370, 3640545, 4449555, 5339466, 7281090, 8009199, 8899110, 13348665, 16018398, 26697330, 40045995, 80091990]

約数ペア:

[(1, 80091990), (2, 40045995), (3, 26697330), (5, 16018398), (6, 13348665), (9, 8899110), (10, 8009199), (11, 7281090), (15, 5339466), (18, 4449555), (22, 3640545), (27, 2966370), (30, 2669733), (33, 2427030), (45, 1779822), (54, 1483185), (55, 1456218), (66, 1213515), (81, 988790), (89, 899910), (90, 889911), (99, 809010), (101, 792990), (110, 728109), (135, 593274), (162, 494395), (165, 485406), (178, 449955), (198, 404505), (202, 396495), (267, 299970), (270, 296637), (297, 269670), (303, 264330), (330, 242703), (405, 197758), (445, 179982), (495, 161802), (505, 158598), (534, 149985), (594, 134835), (606, 132165), (801, 99990), (810, 98879), (890, 89991), (891, 89890), (909, 88110), (979, 81810), (990, 80901), (1010, 79299), (1111, 72090), (1335, 59994), (1485, 53934), (1515, 52866), (1602, 49995), (1782, 44945), (1818, 44055), (1958, 40905), (2222, 36045), (2403, 33330), (2670, 29997), (2727, 29370), (2937, 27270), (2970, 26967), (3030, 26433), (3333, 24030), (4005, 19998), (4455, 17978), (4545, 17622), (4806, 16665), (4895, 16362), (5454, 14685), (5555, 14418), (5874, 13635), (6666, 12015), (7209, 11110), (8010, 9999), (8181, 9790), (8811, 9090), (8910, 8989)]