20728482600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{1487}}^1\times {\mathrm{3319}}^1$

素因数の和:4832

約数の個数: 192

約数和(自身を含む): 73509580800

約数和(自身を除く): 52781098200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 1487, 2100, 2974, 3319, 4200, 4461, 5948, 6638, 7435, 8922, 9957, 10409, 11896, 13276, 14870, 16595, 17844, 19914, 20818, 22305, 23233, 26552, 29740, 31227, 33190, 35688, 37175, 39828, 41636, 44610, 46466, 49785, 52045, 59480, 62454, 66380, 69699, 74350, 79656, 82975, 83272, 89220, 92932, 99570, 104090, 111525, 116165, 124908, 132760, 139398, 148700, 156135, 165950, 178440, 185864, 199140, 208180, 223050, 232330, 248925, 249816, 260225, 278796, 297400, 312270, 331900, 348495, 398280, 416360, 446100, 464660, 497850, 520450, 557592, 580825, 624540, 663800, 696990, 780675, 892200, 929320, 995700, 1040900, 1161650, 1249080, 1393980, 1561350, 1742475, 1991400, 2081800, 2323300, 2787960, 3122700, 3484950, 4646600, 4935353, 6245400, 6969900, 9870706, 13939800, 14806059, 19741412, 24676765, 29612118, 34547471, 39482824, 49353530, 59224236, 69094942, 74030295, 98707060, 103642413, 118448472, 123383825, 138189884, 148060590, 172737355, 197414120, 207284826, 246767650, 276379768, 296121180, 345474710, 370151475, 414569652, 493535300, 518212065, 592242360, 690949420, 740302950, 829139304, 863686775, 987070600, 1036424130, 1381898840, 1480605900, 1727373550, 2072848260, 2591060325, 2961211800, 3454747100, 4145696520, 5182120650, 6909494200, 10364241300, 20728482600]

約数ペア:

[(1, 20728482600), (2, 10364241300), (3, 6909494200), (4, 5182120650), (5, 4145696520), (6, 3454747100), (7, 2961211800), (8, 2591060325), (10, 2072848260), (12, 1727373550), (14, 1480605900), (15, 1381898840), (20, 1036424130), (21, 987070600), (24, 863686775), (25, 829139304), (28, 740302950), (30, 690949420), (35, 592242360), (40, 518212065), (42, 493535300), (50, 414569652), (56, 370151475), (60, 345474710), (70, 296121180), (75, 276379768), (84, 246767650), (100, 207284826), (105, 197414120), (120, 172737355), (140, 148060590), (150, 138189884), (168, 123383825), (175, 118448472), (200, 103642413), (210, 98707060), (280, 74030295), (300, 69094942), (350, 59224236), (420, 49353530), (525, 39482824), (600, 34547471), (700, 29612118), (840, 24676765), (1050, 19741412), (1400, 14806059), (1487, 13939800), (2100, 9870706), (2974, 6969900), (3319, 6245400), (4200, 4935353), (4461, 4646600), (5948, 3484950), (6638, 3122700), (7435, 2787960), (8922, 2323300), (9957, 2081800), (10409, 1991400), (11896, 1742475), (13276, 1561350), (14870, 1393980), (16595, 1249080), (17844, 1161650), (19914, 1040900), (20818, 995700), (22305, 929320), (23233, 892200), (26552, 780675), (29740, 696990), (31227, 663800), (33190, 624540), (35688, 580825), (37175, 557592), (39828, 520450), (41636, 497850), (44610, 464660), (46466, 446100), (49785, 416360), (52045, 398280), (59480, 348495), (62454, 331900), (66380, 312270), (69699, 297400), (74350, 278796), (79656, 260225), (82975, 249816), (83272, 248925), (89220, 232330), (92932, 223050), (99570, 208180), (104090, 199140), (111525, 185864), (116165, 178440), (124908, 165950), (132760, 156135), (139398, 148700)]