20131025520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{7537}}^1$

素因数の和:7943

約数の個数: 160

約数和(自身を含む): 64607293440

約数和(自身を除く): 44476267920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 359, 372, 465, 496, 620, 718, 744, 930, 1077, 1240, 1436, 1488, 1795, 1860, 2154, 2480, 2872, 3590, 3720, 4308, 5385, 5744, 7180, 7440, 7537, 8616, 10770, 11129, 14360, 15074, 17232, 21540, 22258, 22611, 28720, 30148, 33387, 37685, 43080, 44516, 45222, 55645, 60296, 66774, 75370, 86160, 89032, 90444, 111290, 113055, 120592, 133548, 150740, 166935, 178064, 180888, 222580, 226110, 233647, 267096, 301480, 333870, 361776, 445160, 452220, 467294, 534192, 602960, 667740, 700941, 890320, 904440, 934588, 1168235, 1335480, 1401882, 1808880, 1869176, 2336470, 2670960, 2705783, 2803764, 3504705, 3738352, 4672940, 5411566, 5607528, 7009410, 8117349, 9345880, 10823132, 11215056, 13528915, 14018820, 16234698, 18691760, 21646264, 27057830, 28037640, 32469396, 40586745, 43292528, 54115660, 56075280, 64938792, 81173490, 83879273, 108231320, 129877584, 162346980, 167758546, 216462640, 251637819, 324693960, 335517092, 419396365, 503275638, 649387920, 671034184, 838792730, 1006551276, 1258189095, 1342068368, 1677585460, 2013102552, 2516378190, 3355170920, 4026205104, 5032756380, 6710341840, 10065512760, 20131025520]

約数ペア:

[(1, 20131025520), (2, 10065512760), (3, 6710341840), (4, 5032756380), (5, 4026205104), (6, 3355170920), (8, 2516378190), (10, 2013102552), (12, 1677585460), (15, 1342068368), (16, 1258189095), (20, 1006551276), (24, 838792730), (30, 671034184), (31, 649387920), (40, 503275638), (48, 419396365), (60, 335517092), (62, 324693960), (80, 251637819), (93, 216462640), (120, 167758546), (124, 162346980), (155, 129877584), (186, 108231320), (240, 83879273), (248, 81173490), (310, 64938792), (359, 56075280), (372, 54115660), (465, 43292528), (496, 40586745), (620, 32469396), (718, 28037640), (744, 27057830), (930, 21646264), (1077, 18691760), (1240, 16234698), (1436, 14018820), (1488, 13528915), (1795, 11215056), (1860, 10823132), (2154, 9345880), (2480, 8117349), (2872, 7009410), (3590, 5607528), (3720, 5411566), (4308, 4672940), (5385, 3738352), (5744, 3504705), (7180, 2803764), (7440, 2705783), (7537, 2670960), (8616, 2336470), (10770, 1869176), (11129, 1808880), (14360, 1401882), (15074, 1335480), (17232, 1168235), (21540, 934588), (22258, 904440), (22611, 890320), (28720, 700941), (30148, 667740), (33387, 602960), (37685, 534192), (43080, 467294), (44516, 452220), (45222, 445160), (55645, 361776), (60296, 333870), (66774, 301480), (75370, 267096), (86160, 233647), (89032, 226110), (90444, 222580), (111290, 180888), (113055, 178064), (120592, 166935), (133548, 150740)]