201621960

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{20743}}^1$

素因数の和:20769

約数の個数: 96

約数和(自身を含む): 679573440

約数和(自身を除く): 477951480

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, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 20743, 41486, 62229, 82972, 103715, 124458, 165944, 186687, 207430, 248916, 311145, 373374, 414860, 497832, 560061, 622290, 746748, 829720, 933435, 1120122, 1244580, 1493496, 1680183, 1866870, 2240244, 2489160, 2800305, 3360366, 3733740, 4480488, 5040549, 5600610, 6720732, 7467480, 8400915, 10081098, 11201220, 13441464, 16801830, 20162196, 22402440, 25202745, 33603660, 40324392, 50405490, 67207320, 100810980, 201621960]

約数ペア:

[(1, 201621960), (2, 100810980), (3, 67207320), (4, 50405490), (5, 40324392), (6, 33603660), (8, 25202745), (9, 22402440), (10, 20162196), (12, 16801830), (15, 13441464), (18, 11201220), (20, 10081098), (24, 8400915), (27, 7467480), (30, 6720732), (36, 5600610), (40, 5040549), (45, 4480488), (54, 3733740), (60, 3360366), (72, 2800305), (81, 2489160), (90, 2240244), (108, 1866870), (120, 1680183), (135, 1493496), (162, 1244580), (180, 1120122), (216, 933435), (243, 829720), (270, 746748), (324, 622290), (360, 560061), (405, 497832), (486, 414860), (540, 373374), (648, 311145), (810, 248916), (972, 207430), (1080, 186687), (1215, 165944), (1620, 124458), (1944, 103715), (2430, 82972), (3240, 62229), (4860, 41486), (9720, 20743)]