72747720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{22453}}^1$

素因数の和:22476

約数の個数: 80

約数和(自身を含む): 244524060

約数和(自身を除く): 171776340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 22453, 44906, 67359, 89812, 112265, 134718, 179624, 202077, 224530, 269436, 336795, 404154, 449060, 538872, 606231, 673590, 808308, 898120, 1010385, 1212462, 1347180, 1616616, 1818693, 2020770, 2424924, 2694360, 3031155, 3637386, 4041540, 4849848, 6062310, 7274772, 8083080, 9093465, 12124620, 14549544, 18186930, 24249240, 36373860, 72747720]

約数ペア:

[(1, 72747720), (2, 36373860), (3, 24249240), (4, 18186930), (5, 14549544), (6, 12124620), (8, 9093465), (9, 8083080), (10, 7274772), (12, 6062310), (15, 4849848), (18, 4041540), (20, 3637386), (24, 3031155), (27, 2694360), (30, 2424924), (36, 2020770), (40, 1818693), (45, 1616616), (54, 1347180), (60, 1212462), (72, 1010385), (81, 898120), (90, 808308), (108, 673590), (120, 606231), (135, 538872), (162, 449060), (180, 404154), (216, 336795), (270, 269436), (324, 224530), (360, 202077), (405, 179624), (540, 134718), (648, 112265), (810, 89812), (1080, 67359), (1620, 44906), (3240, 22453)]