400565520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3499}}^1$

素因数の和:3574

約数の個数: 160

約数和(自身を含む): 1406160000

約数和(自身を除く): 1005594480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 53, 54, 60, 72, 80, 90, 106, 108, 120, 135, 144, 159, 180, 212, 216, 240, 265, 270, 318, 360, 424, 432, 477, 530, 540, 636, 720, 795, 848, 954, 1060, 1080, 1272, 1431, 1590, 1908, 2120, 2160, 2385, 2544, 2862, 3180, 3499, 3816, 4240, 4770, 5724, 6360, 6998, 7155, 7632, 9540, 10497, 11448, 12720, 13996, 14310, 17495, 19080, 20994, 22896, 27992, 28620, 31491, 34990, 38160, 41988, 52485, 55984, 57240, 62982, 69980, 83976, 94473, 104970, 114480, 125964, 139960, 157455, 167952, 185447, 188946, 209940, 251928, 279920, 314910, 370894, 377892, 419880, 472365, 503856, 556341, 629820, 741788, 755784, 839760, 927235, 944730, 1112682, 1259640, 1483576, 1511568, 1669023, 1854470, 1889460, 2225364, 2519280, 2781705, 2967152, 3338046, 3708940, 3778920, 4450728, 5007069, 5563410, 6676092, 7417880, 7557840, 8345115, 8901456, 10014138, 11126820, 13352184, 14835760, 16690230, 20028276, 22253640, 25035345, 26704368, 33380460, 40056552, 44507280, 50070690, 66760920, 80113104, 100141380, 133521840, 200282760, 400565520]

約数ペア:

[(1, 400565520), (2, 200282760), (3, 133521840), (4, 100141380), (5, 80113104), (6, 66760920), (8, 50070690), (9, 44507280), (10, 40056552), (12, 33380460), (15, 26704368), (16, 25035345), (18, 22253640), (20, 20028276), (24, 16690230), (27, 14835760), (30, 13352184), (36, 11126820), (40, 10014138), (45, 8901456), (48, 8345115), (53, 7557840), (54, 7417880), (60, 6676092), (72, 5563410), (80, 5007069), (90, 4450728), (106, 3778920), (108, 3708940), (120, 3338046), (135, 2967152), (144, 2781705), (159, 2519280), (180, 2225364), (212, 1889460), (216, 1854470), (240, 1669023), (265, 1511568), (270, 1483576), (318, 1259640), (360, 1112682), (424, 944730), (432, 927235), (477, 839760), (530, 755784), (540, 741788), (636, 629820), (720, 556341), (795, 503856), (848, 472365), (954, 419880), (1060, 377892), (1080, 370894), (1272, 314910), (1431, 279920), (1590, 251928), (1908, 209940), (2120, 188946), (2160, 185447), (2385, 167952), (2544, 157455), (2862, 139960), (3180, 125964), (3499, 114480), (3816, 104970), (4240, 94473), (4770, 83976), (5724, 69980), (6360, 62982), (6998, 57240), (7155, 55984), (7632, 52485), (9540, 41988), (10497, 38160), (11448, 34990), (12720, 31491), (13996, 28620), (14310, 27992), (17495, 22896), (19080, 20994)]