313228720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 881943552

約数和(自身を除く): 568714832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 83, 92, 112, 115, 140, 161, 166, 184, 230, 280, 293, 322, 332, 368, 415, 460, 560, 581, 586, 644, 664, 805, 830, 920, 1162, 1172, 1288, 1328, 1465, 1610, 1660, 1840, 1909, 2051, 2324, 2344, 2576, 2905, 2930, 3220, 3320, 3818, 4102, 4648, 4688, 5810, 5860, 6440, 6640, 6739, 7636, 8204, 9296, 9545, 10255, 11620, 11720, 12880, 13363, 13478, 15272, 16408, 19090, 20510, 23240, 23440, 24319, 26726, 26956, 30544, 32816, 33695, 38180, 41020, 46480, 47173, 48638, 53452, 53912, 66815, 67390, 76360, 82040, 94346, 97276, 106904, 107824, 121595, 133630, 134780, 152720, 164080, 170233, 188692, 194552, 213808, 235865, 243190, 267260, 269560, 340466, 377384, 389104, 471730, 486380, 534520, 539120, 559337, 680932, 754768, 851165, 943460, 972760, 1069040, 1118674, 1361864, 1702330, 1886920, 1945520, 2237348, 2723728, 2796685, 3404660, 3773840, 3915359, 4474696, 5593370, 6809320, 7830718, 8949392, 11186740, 13618640, 15661436, 19576795, 22373480, 31322872, 39153590, 44746960, 62645744, 78307180, 156614360, 313228720]

約数ペア:

[(1, 313228720), (2, 156614360), (4, 78307180), (5, 62645744), (7, 44746960), (8, 39153590), (10, 31322872), (14, 22373480), (16, 19576795), (20, 15661436), (23, 13618640), (28, 11186740), (35, 8949392), (40, 7830718), (46, 6809320), (56, 5593370), (70, 4474696), (80, 3915359), (83, 3773840), (92, 3404660), (112, 2796685), (115, 2723728), (140, 2237348), (161, 1945520), (166, 1886920), (184, 1702330), (230, 1361864), (280, 1118674), (293, 1069040), (322, 972760), (332, 943460), (368, 851165), (415, 754768), (460, 680932), (560, 559337), (581, 539120), (586, 534520), (644, 486380), (664, 471730), (805, 389104), (830, 377384), (920, 340466), (1162, 269560), (1172, 267260), (1288, 243190), (1328, 235865), (1465, 213808), (1610, 194552), (1660, 188692), (1840, 170233), (1909, 164080), (2051, 152720), (2324, 134780), (2344, 133630), (2576, 121595), (2905, 107824), (2930, 106904), (3220, 97276), (3320, 94346), (3818, 82040), (4102, 76360), (4648, 67390), (4688, 66815), (5810, 53912), (5860, 53452), (6440, 48638), (6640, 47173), (6739, 46480), (7636, 41020), (8204, 38180), (9296, 33695), (9545, 32816), (10255, 30544), (11620, 26956), (11720, 26726), (12880, 24319), (13363, 23440), (13478, 23240), (15272, 20510), (16408, 19090)]