28668720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6287}}^1$

素因数の和:6322

約数の個数: 80

約数和(自身を含む): 93565440

約数和(自身を除く): 64896720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 6287, 12574, 18861, 25148, 31435, 37722, 50296, 62870, 75444, 94305, 100592, 119453, 125740, 150888, 188610, 238906, 251480, 301776, 358359, 377220, 477812, 502960, 597265, 716718, 754440, 955624, 1194530, 1433436, 1508880, 1791795, 1911248, 2389060, 2866872, 3583590, 4778120, 5733744, 7167180, 9556240, 14334360, 28668720]

約数ペア:

[(1, 28668720), (2, 14334360), (3, 9556240), (4, 7167180), (5, 5733744), (6, 4778120), (8, 3583590), (10, 2866872), (12, 2389060), (15, 1911248), (16, 1791795), (19, 1508880), (20, 1433436), (24, 1194530), (30, 955624), (38, 754440), (40, 716718), (48, 597265), (57, 502960), (60, 477812), (76, 377220), (80, 358359), (95, 301776), (114, 251480), (120, 238906), (152, 188610), (190, 150888), (228, 125740), (240, 119453), (285, 100592), (304, 94305), (380, 75444), (456, 62870), (570, 50296), (760, 37722), (912, 31435), (1140, 25148), (1520, 18861), (2280, 12574), (4560, 6287)]