215804531720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{13669}}^1$

素因数の和:13927

約数の個数: 128

約数和(自身を含む): 507985948800

約数和(自身を除く): 292181417080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 137, 172, 215, 268, 274, 335, 344, 430, 536, 548, 670, 685, 860, 1096, 1340, 1370, 1720, 2680, 2740, 2881, 5480, 5762, 5891, 9179, 11524, 11782, 13669, 14405, 18358, 23048, 23564, 27338, 28810, 29455, 36716, 45895, 47128, 54676, 57620, 58910, 68345, 73432, 91790, 109352, 115240, 117820, 136690, 183580, 235640, 273380, 367160, 394697, 546760, 587767, 789394, 915823, 1175534, 1578788, 1831646, 1872653, 1973485, 2351068, 2938835, 3157576, 3663292, 3745306, 3946970, 4579115, 4702136, 5877670, 7326584, 7490612, 7893940, 9158230, 9363265, 11755340, 14981224, 15787880, 18316460, 18726530, 23510680, 36632920, 37453060, 39380389, 74906120, 78760778, 80524079, 125467751, 157521556, 161048158, 196901945, 250935502, 315043112, 322096316, 393803890, 402620395, 501871004, 627338755, 644192632, 787607780, 805240790, 1003742008, 1254677510, 1575215560, 1610481580, 2509355020, 3220963160, 5018710040, 5395113293, 10790226586, 21580453172, 26975566465, 43160906344, 53951132930, 107902265860, 215804531720]

約数ペア:

[(1, 215804531720), (2, 107902265860), (4, 53951132930), (5, 43160906344), (8, 26975566465), (10, 21580453172), (20, 10790226586), (40, 5395113293), (43, 5018710040), (67, 3220963160), (86, 2509355020), (134, 1610481580), (137, 1575215560), (172, 1254677510), (215, 1003742008), (268, 805240790), (274, 787607780), (335, 644192632), (344, 627338755), (430, 501871004), (536, 402620395), (548, 393803890), (670, 322096316), (685, 315043112), (860, 250935502), (1096, 196901945), (1340, 161048158), (1370, 157521556), (1720, 125467751), (2680, 80524079), (2740, 78760778), (2881, 74906120), (5480, 39380389), (5762, 37453060), (5891, 36632920), (9179, 23510680), (11524, 18726530), (11782, 18316460), (13669, 15787880), (14405, 14981224), (18358, 11755340), (23048, 9363265), (23564, 9158230), (27338, 7893940), (28810, 7490612), (29455, 7326584), (36716, 5877670), (45895, 4702136), (47128, 4579115), (54676, 3946970), (57620, 3745306), (58910, 3663292), (68345, 3157576), (73432, 2938835), (91790, 2351068), (109352, 1973485), (115240, 1872653), (117820, 1831646), (136690, 1578788), (183580, 1175534), (235640, 915823), (273380, 789394), (367160, 587767), (394697, 546760)]