19925280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 69169464

約数和(自身を除く): 49244184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 101, 120, 137, 144, 160, 180, 202, 240, 274, 288, 303, 360, 404, 411, 480, 505, 548, 606, 685, 720, 808, 822, 909, 1010, 1096, 1212, 1233, 1370, 1440, 1515, 1616, 1644, 1818, 2020, 2055, 2192, 2424, 2466, 2740, 3030, 3232, 3288, 3636, 4040, 4110, 4384, 4545, 4848, 4932, 5480, 6060, 6165, 6576, 7272, 8080, 8220, 9090, 9696, 9864, 10960, 12120, 12330, 13152, 13837, 14544, 16160, 16440, 18180, 19728, 21920, 24240, 24660, 27674, 29088, 32880, 36360, 39456, 41511, 48480, 49320, 55348, 65760, 69185, 72720, 83022, 98640, 110696, 124533, 138370, 145440, 166044, 197280, 207555, 221392, 249066, 276740, 332088, 415110, 442784, 498132, 553480, 622665, 664176, 830220, 996264, 1106960, 1245330, 1328352, 1660440, 1992528, 2213920, 2490660, 3320880, 3985056, 4981320, 6641760, 9962640, 19925280]

約数ペア:

[(1, 19925280), (2, 9962640), (3, 6641760), (4, 4981320), (5, 3985056), (6, 3320880), (8, 2490660), (9, 2213920), (10, 1992528), (12, 1660440), (15, 1328352), (16, 1245330), (18, 1106960), (20, 996264), (24, 830220), (30, 664176), (32, 622665), (36, 553480), (40, 498132), (45, 442784), (48, 415110), (60, 332088), (72, 276740), (80, 249066), (90, 221392), (96, 207555), (101, 197280), (120, 166044), (137, 145440), (144, 138370), (160, 124533), (180, 110696), (202, 98640), (240, 83022), (274, 72720), (288, 69185), (303, 65760), (360, 55348), (404, 49320), (411, 48480), (480, 41511), (505, 39456), (548, 36360), (606, 32880), (685, 29088), (720, 27674), (808, 24660), (822, 24240), (909, 21920), (1010, 19728), (1096, 18180), (1212, 16440), (1233, 16160), (1370, 14544), (1440, 13837), (1515, 13152), (1616, 12330), (1644, 12120), (1818, 10960), (2020, 9864), (2055, 9696), (2192, 9090), (2424, 8220), (2466, 8080), (2740, 7272), (3030, 6576), (3232, 6165), (3288, 6060), (3636, 5480), (4040, 4932), (4110, 4848), (4384, 4545)]