621261720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{17791}}^1$

素因数の和:17905

約数の個数: 96

約数和(自身を含む): 2040030720

約数和(自身を除く): 1418769000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2328, 2910, 3492, 3880, 4365, 5820, 6984, 8730, 11640, 17460, 17791, 34920, 35582, 53373, 71164, 88955, 106746, 142328, 160119, 177910, 213492, 266865, 320238, 355820, 426984, 533730, 640476, 711640, 800595, 1067460, 1280952, 1601190, 1725727, 2134920, 3202380, 3451454, 5177181, 6404760, 6902908, 8628635, 10354362, 13805816, 15531543, 17257270, 20708724, 25885905, 31063086, 34514540, 41417448, 51771810, 62126172, 69029080, 77657715, 103543620, 124252344, 155315430, 207087240, 310630860, 621261720]

約数ペア:

[(1, 621261720), (2, 310630860), (3, 207087240), (4, 155315430), (5, 124252344), (6, 103543620), (8, 77657715), (9, 69029080), (10, 62126172), (12, 51771810), (15, 41417448), (18, 34514540), (20, 31063086), (24, 25885905), (30, 20708724), (36, 17257270), (40, 15531543), (45, 13805816), (60, 10354362), (72, 8628635), (90, 6902908), (97, 6404760), (120, 5177181), (180, 3451454), (194, 3202380), (291, 2134920), (360, 1725727), (388, 1601190), (485, 1280952), (582, 1067460), (776, 800595), (873, 711640), (970, 640476), (1164, 533730), (1455, 426984), (1746, 355820), (1940, 320238), (2328, 266865), (2910, 213492), (3492, 177910), (3880, 160119), (4365, 142328), (5820, 106746), (6984, 88955), (8730, 71164), (11640, 53373), (17460, 35582), (17791, 34920)]