30405958240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{19489}}^1$

素因数の和:19717

約数の個数: 144

約数和(自身を含む): 83986308000

約数和(自身を除く): 53580349760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 199, 224, 245, 280, 392, 398, 490, 560, 784, 796, 980, 995, 1120, 1393, 1568, 1592, 1960, 1990, 2786, 3184, 3920, 3980, 5572, 6368, 6965, 7840, 7960, 9751, 11144, 13930, 15920, 19489, 19502, 22288, 27860, 31840, 38978, 39004, 44576, 48755, 55720, 77956, 78008, 97445, 97510, 111440, 136423, 155912, 156016, 194890, 195020, 222880, 272846, 311824, 312032, 389780, 390040, 545692, 623648, 682115, 779560, 780080, 954961, 1091384, 1364230, 1559120, 1560160, 1909922, 2182768, 2728460, 3118240, 3819844, 3878311, 4365536, 4774805, 5456920, 7639688, 7756622, 9549610, 10913840, 15279376, 15513244, 19099220, 19391555, 21827680, 27148177, 30558752, 31026488, 38198440, 38783110, 54296354, 62052976, 76396880, 77566220, 108592708, 124105952, 135740885, 152793760, 155132440, 190037239, 217185416, 271481770, 310264880, 380074478, 434370832, 542963540, 620529760, 760148956, 868741664, 950186195, 1085927080, 1520297912, 1900372390, 2171854160, 3040595824, 3800744780, 4343708320, 6081191648, 7601489560, 15202979120, 30405958240]

約数ペア:

[(1, 30405958240), (2, 15202979120), (4, 7601489560), (5, 6081191648), (7, 4343708320), (8, 3800744780), (10, 3040595824), (14, 2171854160), (16, 1900372390), (20, 1520297912), (28, 1085927080), (32, 950186195), (35, 868741664), (40, 760148956), (49, 620529760), (56, 542963540), (70, 434370832), (80, 380074478), (98, 310264880), (112, 271481770), (140, 217185416), (160, 190037239), (196, 155132440), (199, 152793760), (224, 135740885), (245, 124105952), (280, 108592708), (392, 77566220), (398, 76396880), (490, 62052976), (560, 54296354), (784, 38783110), (796, 38198440), (980, 31026488), (995, 30558752), (1120, 27148177), (1393, 21827680), (1568, 19391555), (1592, 19099220), (1960, 15513244), (1990, 15279376), (2786, 10913840), (3184, 9549610), (3920, 7756622), (3980, 7639688), (5572, 5456920), (6368, 4774805), (6965, 4365536), (7840, 3878311), (7960, 3819844), (9751, 3118240), (11144, 2728460), (13930, 2182768), (15920, 1909922), (19489, 1560160), (19502, 1559120), (22288, 1364230), (27860, 1091384), (31840, 954961), (38978, 780080), (39004, 779560), (44576, 682115), (48755, 623648), (55720, 545692), (77956, 390040), (78008, 389780), (97445, 312032), (97510, 311824), (111440, 272846), (136423, 222880), (155912, 195020), (156016, 194890)]