221381280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3271}}^1$

素因数の和:3339

約数の個数: 144

約数和(自身を含む): 771773184

約数和(自身を除く): 550391904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 235, 240, 282, 288, 360, 376, 423, 470, 480, 564, 705, 720, 752, 846, 940, 1128, 1410, 1440, 1504, 1692, 1880, 2115, 2256, 2820, 3271, 3384, 3760, 4230, 4512, 5640, 6542, 6768, 7520, 8460, 9813, 11280, 13084, 13536, 16355, 16920, 19626, 22560, 26168, 29439, 32710, 33840, 39252, 49065, 52336, 58878, 65420, 67680, 78504, 98130, 104672, 117756, 130840, 147195, 153737, 157008, 196260, 235512, 261680, 294390, 307474, 314016, 392520, 461211, 471024, 523360, 588780, 614948, 768685, 785040, 922422, 942048, 1177560, 1229896, 1383633, 1537370, 1570080, 1844844, 2306055, 2355120, 2459792, 2767266, 3074740, 3689688, 4612110, 4710240, 4919584, 5534532, 6149480, 6918165, 7379376, 9224220, 11069064, 12298960, 13836330, 14758752, 18448440, 22138128, 24597920, 27672660, 36896880, 44276256, 55345320, 73793760, 110690640, 221381280]

約数ペア:

[(1, 221381280), (2, 110690640), (3, 73793760), (4, 55345320), (5, 44276256), (6, 36896880), (8, 27672660), (9, 24597920), (10, 22138128), (12, 18448440), (15, 14758752), (16, 13836330), (18, 12298960), (20, 11069064), (24, 9224220), (30, 7379376), (32, 6918165), (36, 6149480), (40, 5534532), (45, 4919584), (47, 4710240), (48, 4612110), (60, 3689688), (72, 3074740), (80, 2767266), (90, 2459792), (94, 2355120), (96, 2306055), (120, 1844844), (141, 1570080), (144, 1537370), (160, 1383633), (180, 1229896), (188, 1177560), (235, 942048), (240, 922422), (282, 785040), (288, 768685), (360, 614948), (376, 588780), (423, 523360), (470, 471024), (480, 461211), (564, 392520), (705, 314016), (720, 307474), (752, 294390), (846, 261680), (940, 235512), (1128, 196260), (1410, 157008), (1440, 153737), (1504, 147195), (1692, 130840), (1880, 117756), (2115, 104672), (2256, 98130), (2820, 78504), (3271, 67680), (3384, 65420), (3760, 58878), (4230, 52336), (4512, 49065), (5640, 39252), (6542, 33840), (6768, 32710), (7520, 29439), (8460, 26168), (9813, 22560), (11280, 19626), (13084, 16920), (13536, 16355)]