19986121440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23017}}^1$

素因数の和:23111

約数の個数: 240

約数和(自身を含む): 71590215312

約数和(自身を除く): 51604093872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 67, 72, 80, 81, 90, 96, 108, 120, 134, 135, 144, 160, 162, 180, 201, 216, 240, 268, 270, 288, 324, 335, 360, 402, 405, 432, 480, 536, 540, 603, 648, 670, 720, 804, 810, 864, 1005, 1072, 1080, 1206, 1296, 1340, 1440, 1608, 1620, 1809, 2010, 2144, 2160, 2412, 2592, 2680, 3015, 3216, 3240, 3618, 4020, 4320, 4824, 5360, 5427, 6030, 6432, 6480, 7236, 8040, 9045, 9648, 10720, 10854, 12060, 12960, 14472, 16080, 18090, 19296, 21708, 23017, 24120, 27135, 28944, 32160, 36180, 43416, 46034, 48240, 54270, 57888, 69051, 72360, 86832, 92068, 96480, 108540, 115085, 138102, 144720, 173664, 184136, 207153, 217080, 230170, 276204, 289440, 345255, 368272, 414306, 434160, 460340, 552408, 621459, 690510, 736544, 828612, 868320, 920680, 1035765, 1104816, 1242918, 1381020, 1542139, 1657224, 1841360, 1864377, 2071530, 2209632, 2485836, 2762040, 3084278, 3107295, 3314448, 3682720, 3728754, 4143060, 4626417, 4971672, 5524080, 6168556, 6214590, 6628896, 7457508, 7710695, 8286120, 9252834, 9321885, 9943344, 11048160, 12337112, 12429180, 13879251, 14915016, 15421390, 16572240, 18505668, 18643770, 19886688, 23132085, 24674224, 24858360, 27758502, 29830032, 30842780, 33144480, 37011336, 37287540, 41637753, 46264170, 49348448, 49716720, 55517004, 59660064, 61685560, 69396255, 74022672, 74575080, 83275506, 92528340, 99433440, 111034008, 123371120, 124913259, 138792510, 148045344, 149150160, 166551012, 185056680, 208188765, 222068016, 246742240, 249826518, 277585020, 298300320, 333102024, 370113360, 416377530, 444136032, 499653036, 555170040, 624566295, 666204048, 740226720, 832755060, 999306072, 1110340080, 1249132590, 1332408096, 1665510120, 1998612144, 2220680160, 2498265180, 3331020240, 3997224288, 4996530360, 6662040480, 9993060720, 19986121440]

約数ペア:

[(1, 19986121440), (2, 9993060720), (3, 6662040480), (4, 4996530360), (5, 3997224288), (6, 3331020240), (8, 2498265180), (9, 2220680160), (10, 1998612144), (12, 1665510120), (15, 1332408096), (16, 1249132590), (18, 1110340080), (20, 999306072), (24, 832755060), (27, 740226720), (30, 666204048), (32, 624566295), (36, 555170040), (40, 499653036), (45, 444136032), (48, 416377530), (54, 370113360), (60, 333102024), (67, 298300320), (72, 277585020), (80, 249826518), (81, 246742240), (90, 222068016), (96, 208188765), (108, 185056680), (120, 166551012), (134, 149150160), (135, 148045344), (144, 138792510), (160, 124913259), (162, 123371120), (180, 111034008), (201, 99433440), (216, 92528340), (240, 83275506), (268, 74575080), (270, 74022672), (288, 69396255), (324, 61685560), (335, 59660064), (360, 55517004), (402, 49716720), (405, 49348448), (432, 46264170), (480, 41637753), (536, 37287540), (540, 37011336), (603, 33144480), (648, 30842780), (670, 29830032), (720, 27758502), (804, 24858360), (810, 24674224), (864, 23132085), (1005, 19886688), (1072, 18643770), (1080, 18505668), (1206, 16572240), (1296, 15421390), (1340, 14915016), (1440, 13879251), (1608, 12429180), (1620, 12337112), (1809, 11048160), (2010, 9943344), (2144, 9321885), (2160, 9252834), (2412, 8286120), (2592, 7710695), (2680, 7457508), (3015, 6628896), (3216, 6214590), (3240, 6168556), (3618, 5524080), (4020, 4971672), (4320, 4626417), (4824, 4143060), (5360, 3728754), (5427, 3682720), (6030, 3314448), (6432, 3107295), (6480, 3084278), (7236, 2762040), (8040, 2485836), (9045, 2209632), (9648, 2071530), (10720, 1864377), (10854, 1841360), (12060, 1657224), (12960, 1542139), (14472, 1381020), (16080, 1242918), (18090, 1104816), (19296, 1035765), (21708, 920680), (23017, 868320), (24120, 828612), (27135, 736544), (28944, 690510), (32160, 621459), (36180, 552408), (43416, 460340), (46034, 434160), (48240, 414306), (54270, 368272), (57888, 345255), (69051, 289440), (72360, 276204), (86832, 230170), (92068, 217080), (96480, 207153), (108540, 184136), (115085, 173664), (138102, 144720)]