18633240

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 63769680

約数和(自身を除く): 45136440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 142, 162, 180, 213, 216, 243, 270, 284, 324, 355, 360, 405, 426, 486, 540, 568, 639, 648, 710, 729, 810, 852, 972, 1065, 1080, 1215, 1278, 1420, 1458, 1620, 1704, 1917, 1944, 2130, 2187, 2430, 2556, 2840, 2916, 3195, 3240, 3645, 3834, 4260, 4374, 4860, 5112, 5751, 5832, 6390, 6561, 7290, 7668, 8520, 8748, 9585, 9720, 10935, 11502, 12780, 13122, 14580, 15336, 17253, 17496, 19170, 21870, 23004, 25560, 26244, 28755, 29160, 32805, 34506, 38340, 43740, 46008, 51759, 52488, 57510, 65610, 69012, 76680, 86265, 87480, 103518, 115020, 131220, 138024, 155277, 172530, 207036, 230040, 258795, 262440, 310554, 345060, 414072, 465831, 517590, 621108, 690120, 776385, 931662, 1035180, 1242216, 1552770, 1863324, 2070360, 2329155, 3105540, 3726648, 4658310, 6211080, 9316620, 18633240]

約数ペア:

[(1, 18633240), (2, 9316620), (3, 6211080), (4, 4658310), (5, 3726648), (6, 3105540), (8, 2329155), (9, 2070360), (10, 1863324), (12, 1552770), (15, 1242216), (18, 1035180), (20, 931662), (24, 776385), (27, 690120), (30, 621108), (36, 517590), (40, 465831), (45, 414072), (54, 345060), (60, 310554), (71, 262440), (72, 258795), (81, 230040), (90, 207036), (108, 172530), (120, 155277), (135, 138024), (142, 131220), (162, 115020), (180, 103518), (213, 87480), (216, 86265), (243, 76680), (270, 69012), (284, 65610), (324, 57510), (355, 52488), (360, 51759), (405, 46008), (426, 43740), (486, 38340), (540, 34506), (568, 32805), (639, 29160), (648, 28755), (710, 26244), (729, 25560), (810, 23004), (852, 21870), (972, 19170), (1065, 17496), (1080, 17253), (1215, 15336), (1278, 14580), (1420, 13122), (1458, 12780), (1620, 11502), (1704, 10935), (1917, 9720), (1944, 9585), (2130, 8748), (2187, 8520), (2430, 7668), (2556, 7290), (2840, 6561), (2916, 6390), (3195, 5832), (3240, 5751), (3645, 5112), (3834, 4860), (4260, 4374)]