31448045720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{12503}}^1$

素因数の和:13225

約数の個数: 128

約数和(自身を含む): 87219901440

約数和(自身を除く): 55771855720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 691, 728, 910, 1382, 1820, 2764, 3455, 3640, 4837, 5528, 6910, 8983, 9674, 12503, 13820, 17966, 19348, 24185, 25006, 27640, 35932, 38696, 44915, 48370, 50012, 62515, 62881, 71864, 87521, 89830, 96740, 100024, 125030, 125762, 162539, 175042, 179660, 193480, 250060, 251524, 314405, 325078, 350084, 359320, 437605, 500120, 503048, 628810, 650156, 700168, 812695, 875210, 1137773, 1257620, 1300312, 1625390, 1750420, 2275546, 2515240, 3250780, 3500840, 4551092, 5688865, 6501560, 8639573, 9102184, 11377730, 17279146, 22755460, 34558292, 43197865, 45510920, 60477011, 69116584, 86395730, 112314449, 120954022, 172791460, 224628898, 241908044, 302385055, 345582920, 449257796, 483816088, 561572245, 604770110, 786201143, 898515592, 1123144490, 1209540220, 1572402286, 2246288980, 2419080440, 3144804572, 3931005715, 4492577960, 6289609144, 7862011430, 15724022860, 31448045720]

約数ペア:

[(1, 31448045720), (2, 15724022860), (4, 7862011430), (5, 6289609144), (7, 4492577960), (8, 3931005715), (10, 3144804572), (13, 2419080440), (14, 2246288980), (20, 1572402286), (26, 1209540220), (28, 1123144490), (35, 898515592), (40, 786201143), (52, 604770110), (56, 561572245), (65, 483816088), (70, 449257796), (91, 345582920), (104, 302385055), (130, 241908044), (140, 224628898), (182, 172791460), (260, 120954022), (280, 112314449), (364, 86395730), (455, 69116584), (520, 60477011), (691, 45510920), (728, 43197865), (910, 34558292), (1382, 22755460), (1820, 17279146), (2764, 11377730), (3455, 9102184), (3640, 8639573), (4837, 6501560), (5528, 5688865), (6910, 4551092), (8983, 3500840), (9674, 3250780), (12503, 2515240), (13820, 2275546), (17966, 1750420), (19348, 1625390), (24185, 1300312), (25006, 1257620), (27640, 1137773), (35932, 875210), (38696, 812695), (44915, 700168), (48370, 650156), (50012, 628810), (62515, 503048), (62881, 500120), (71864, 437605), (87521, 359320), (89830, 350084), (96740, 325078), (100024, 314405), (125030, 251524), (125762, 250060), (162539, 193480), (175042, 179660)]