201601980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21961}}^1$

素因数の和:21996

約数の個数: 96

約数和(自身を含む): 664130880

約数和(自身を除く): 462528900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 3060, 4590, 9180, 21961, 43922, 65883, 87844, 109805, 131766, 197649, 219610, 263532, 329415, 373337, 395298, 439220, 592947, 658830, 746674, 790596, 988245, 1120011, 1185894, 1317660, 1493348, 1866685, 1976490, 2240022, 2371788, 2964735, 3360033, 3733370, 3952980, 4480044, 5600055, 5929470, 6720066, 7466740, 10080099, 11200110, 11858940, 13440132, 16800165, 20160198, 22400220, 33600330, 40320396, 50400495, 67200660, 100800990, 201601980]

約数ペア:

[(1, 201601980), (2, 100800990), (3, 67200660), (4, 50400495), (5, 40320396), (6, 33600330), (9, 22400220), (10, 20160198), (12, 16800165), (15, 13440132), (17, 11858940), (18, 11200110), (20, 10080099), (27, 7466740), (30, 6720066), (34, 5929470), (36, 5600055), (45, 4480044), (51, 3952980), (54, 3733370), (60, 3360033), (68, 2964735), (85, 2371788), (90, 2240022), (102, 1976490), (108, 1866685), (135, 1493348), (153, 1317660), (170, 1185894), (180, 1120011), (204, 988245), (255, 790596), (270, 746674), (306, 658830), (340, 592947), (459, 439220), (510, 395298), (540, 373337), (612, 329415), (765, 263532), (918, 219610), (1020, 197649), (1530, 131766), (1836, 109805), (2295, 87844), (3060, 65883), (4590, 43922), (9180, 21961)]