4140720

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{71}}^1$

素因数の和:102

約数の個数: 140

約数和(自身を含む): 14637456

約数和(自身を除く): 10496736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 108, 120, 135, 142, 144, 162, 180, 213, 216, 240, 243, 270, 284, 324, 355, 360, 405, 426, 432, 486, 540, 568, 639, 648, 710, 720, 729, 810, 852, 972, 1065, 1080, 1136, 1215, 1278, 1296, 1420, 1458, 1620, 1704, 1917, 1944, 2130, 2160, 2430, 2556, 2840, 2916, 3195, 3240, 3408, 3645, 3834, 3888, 4260, 4860, 5112, 5680, 5751, 5832, 6390, 6480, 7290, 7668, 8520, 9585, 9720, 10224, 11502, 11664, 12780, 14580, 15336, 17040, 17253, 19170, 19440, 23004, 25560, 28755, 29160, 30672, 34506, 38340, 46008, 51120, 51759, 57510, 58320, 69012, 76680, 86265, 92016, 103518, 115020, 138024, 153360, 172530, 207036, 230040, 258795, 276048, 345060, 414072, 460080, 517590, 690120, 828144, 1035180, 1380240, 2070360, 4140720]

約数ペア:

[(1, 4140720), (2, 2070360), (3, 1380240), (4, 1035180), (5, 828144), (6, 690120), (8, 517590), (9, 460080), (10, 414072), (12, 345060), (15, 276048), (16, 258795), (18, 230040), (20, 207036), (24, 172530), (27, 153360), (30, 138024), (36, 115020), (40, 103518), (45, 92016), (48, 86265), (54, 76680), (60, 69012), (71, 58320), (72, 57510), (80, 51759), (81, 51120), (90, 46008), (108, 38340), (120, 34506), (135, 30672), (142, 29160), (144, 28755), (162, 25560), (180, 23004), (213, 19440), (216, 19170), (240, 17253), (243, 17040), (270, 15336), (284, 14580), (324, 12780), (355, 11664), (360, 11502), (405, 10224), (426, 9720), (432, 9585), (486, 8520), (540, 7668), (568, 7290), (639, 6480), (648, 6390), (710, 5832), (720, 5751), (729, 5680), (810, 5112), (852, 4860), (972, 4260), (1065, 3888), (1080, 3834), (1136, 3645), (1215, 3408), (1278, 3240), (1296, 3195), (1420, 2916), (1458, 2840), (1620, 2556), (1704, 2430), (1917, 2160), (1944, 2130)]