11957940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2189

約数の個数: 72

約数和(自身を含む): 37459968

約数和(自身を除く): 25502028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2143, 2790, 4286, 5580, 6429, 8572, 10715, 12858, 19287, 21430, 25716, 32145, 38574, 42860, 64290, 66433, 77148, 96435, 128580, 132866, 192870, 199299, 265732, 332165, 385740, 398598, 597897, 664330, 797196, 996495, 1195794, 1328660, 1992990, 2391588, 2989485, 3985980, 5978970, 11957940]

約数ペア:

[(1, 11957940), (2, 5978970), (3, 3985980), (4, 2989485), (5, 2391588), (6, 1992990), (9, 1328660), (10, 1195794), (12, 996495), (15, 797196), (18, 664330), (20, 597897), (30, 398598), (31, 385740), (36, 332165), (45, 265732), (60, 199299), (62, 192870), (90, 132866), (93, 128580), (124, 96435), (155, 77148), (180, 66433), (186, 64290), (279, 42860), (310, 38574), (372, 32145), (465, 25716), (558, 21430), (620, 19287), (930, 12858), (1116, 10715), (1395, 8572), (1860, 6429), (2143, 5580), (2790, 4286)]