15665912720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:901

約数の個数: 160

約数和(自身を含む): 38730092544

約数和(自身を除く): 23064179824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 103, 115, 131, 184, 206, 230, 262, 368, 412, 460, 515, 524, 631, 655, 824, 920, 1030, 1048, 1262, 1310, 1648, 1840, 2060, 2096, 2369, 2524, 2620, 3013, 3155, 4120, 4738, 5048, 5240, 6026, 6310, 8240, 9476, 10096, 10480, 11845, 12052, 12620, 13493, 14513, 15065, 18952, 23690, 24104, 25240, 26986, 29026, 30130, 37904, 47380, 48208, 50480, 53972, 58052, 60260, 64993, 67465, 72565, 82661, 94760, 107944, 116104, 120520, 129986, 134930, 145130, 165322, 189520, 215888, 232208, 241040, 259972, 269860, 290260, 310339, 324965, 330644, 413305, 519944, 539720, 580520, 620678, 649930, 661288, 826610, 1039888, 1079440, 1161040, 1241356, 1299860, 1322576, 1494839, 1551695, 1653220, 1901203, 2482712, 2599720, 2989678, 3103390, 3306440, 3802406, 4965424, 5199440, 5979356, 6206780, 6612880, 7474195, 7604812, 8514083, 9506015, 11958712, 12413560, 14948390, 15209624, 17028166, 19012030, 23917424, 24827120, 29896780, 30419248, 34056332, 38024060, 42570415, 59793560, 68112664, 76048120, 85140830, 119587120, 136225328, 152096240, 170281660, 195823909, 340563320, 391647818, 681126640, 783295636, 979119545, 1566591272, 1958239090, 3133182544, 3916478180, 7832956360, 15665912720]

約数ペア:

[(1, 15665912720), (2, 7832956360), (4, 3916478180), (5, 3133182544), (8, 1958239090), (10, 1566591272), (16, 979119545), (20, 783295636), (23, 681126640), (40, 391647818), (46, 340563320), (80, 195823909), (92, 170281660), (103, 152096240), (115, 136225328), (131, 119587120), (184, 85140830), (206, 76048120), (230, 68112664), (262, 59793560), (368, 42570415), (412, 38024060), (460, 34056332), (515, 30419248), (524, 29896780), (631, 24827120), (655, 23917424), (824, 19012030), (920, 17028166), (1030, 15209624), (1048, 14948390), (1262, 12413560), (1310, 11958712), (1648, 9506015), (1840, 8514083), (2060, 7604812), (2096, 7474195), (2369, 6612880), (2524, 6206780), (2620, 5979356), (3013, 5199440), (3155, 4965424), (4120, 3802406), (4738, 3306440), (5048, 3103390), (5240, 2989678), (6026, 2599720), (6310, 2482712), (8240, 1901203), (9476, 1653220), (10096, 1551695), (10480, 1494839), (11845, 1322576), (12052, 1299860), (12620, 1241356), (13493, 1161040), (14513, 1079440), (15065, 1039888), (18952, 826610), (23690, 661288), (24104, 649930), (25240, 620678), (26986, 580520), (29026, 539720), (30130, 519944), (37904, 413305), (47380, 330644), (48208, 324965), (50480, 310339), (53972, 290260), (58052, 269860), (60260, 259972), (64993, 241040), (67465, 232208), (72565, 215888), (82661, 189520), (94760, 165322), (107944, 145130), (116104, 134930), (120520, 129986)]