28332990

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 160

約数和(自身を含む): 91998720

約数和(自身を除く): 63665730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 81, 90, 95, 105, 114, 126, 133, 135, 162, 171, 189, 190, 210, 263, 266, 270, 285, 315, 342, 378, 399, 405, 513, 526, 567, 570, 630, 665, 789, 798, 810, 855, 945, 1026, 1134, 1197, 1315, 1330, 1539, 1578, 1710, 1841, 1890, 1995, 2367, 2394, 2565, 2630, 2835, 3078, 3591, 3682, 3945, 3990, 4734, 4997, 5130, 5523, 5670, 5985, 7101, 7182, 7695, 7890, 9205, 9994, 10773, 11046, 11835, 11970, 14202, 14991, 15390, 16569, 17955, 18410, 21303, 21546, 23670, 24985, 27615, 29982, 33138, 34979, 35505, 35910, 42606, 44973, 49707, 49970, 53865, 55230, 69958, 71010, 74955, 82845, 89946, 99414, 104937, 106515, 107730, 134919, 149121, 149910, 165690, 174895, 209874, 213030, 224865, 248535, 269838, 298242, 314811, 349790, 404757, 449730, 497070, 524685, 629622, 674595, 745605, 809514, 944433, 1049370, 1349190, 1491210, 1574055, 1888866, 2023785, 2833299, 3148110, 4047570, 4722165, 5666598, 9444330, 14166495, 28332990]

約数ペア:

[(1, 28332990), (2, 14166495), (3, 9444330), (5, 5666598), (6, 4722165), (7, 4047570), (9, 3148110), (10, 2833299), (14, 2023785), (15, 1888866), (18, 1574055), (19, 1491210), (21, 1349190), (27, 1049370), (30, 944433), (35, 809514), (38, 745605), (42, 674595), (45, 629622), (54, 524685), (57, 497070), (63, 449730), (70, 404757), (81, 349790), (90, 314811), (95, 298242), (105, 269838), (114, 248535), (126, 224865), (133, 213030), (135, 209874), (162, 174895), (171, 165690), (189, 149910), (190, 149121), (210, 134919), (263, 107730), (266, 106515), (270, 104937), (285, 99414), (315, 89946), (342, 82845), (378, 74955), (399, 71010), (405, 69958), (513, 55230), (526, 53865), (567, 49970), (570, 49707), (630, 44973), (665, 42606), (789, 35910), (798, 35505), (810, 34979), (855, 33138), (945, 29982), (1026, 27615), (1134, 24985), (1197, 23670), (1315, 21546), (1330, 21303), (1539, 18410), (1578, 17955), (1710, 16569), (1841, 15390), (1890, 14991), (1995, 14202), (2367, 11970), (2394, 11835), (2565, 11046), (2630, 10773), (2835, 9994), (3078, 9205), (3591, 7890), (3682, 7695), (3945, 7182), (3990, 7101), (4734, 5985), (4997, 5670), (5130, 5523)]