918990240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{571}}^1$

素因数の和:1075

約数の個数: 192

約数和(自身を含む): 3321077760

約数和(自身を除く): 2402087520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 479, 480, 560, 571, 672, 840, 958, 1120, 1142, 1437, 1680, 1713, 1916, 2284, 2395, 2855, 2874, 3353, 3360, 3426, 3832, 3997, 4568, 4790, 5710, 5748, 6706, 6852, 7185, 7664, 7994, 8565, 9136, 9580, 10059, 11420, 11496, 11991, 13412, 13704, 14370, 15328, 15988, 16765, 17130, 18272, 19160, 19985, 20118, 22840, 22992, 23982, 26824, 27408, 28740, 31976, 33530, 34260, 38320, 39970, 40236, 45680, 45984, 47964, 50295, 53648, 54816, 57480, 59955, 63952, 67060, 68520, 76640, 79940, 80472, 91360, 95928, 100590, 107296, 114960, 119910, 127904, 134120, 137040, 159880, 160944, 191856, 201180, 229920, 239820, 268240, 273509, 274080, 319760, 321888, 383712, 402360, 479640, 536480, 547018, 639520, 804720, 820527, 959280, 1094036, 1367545, 1609440, 1641054, 1914563, 1918560, 2188072, 2735090, 3282108, 3829126, 4102635, 4376144, 5470180, 5743689, 6564216, 7658252, 8205270, 8752288, 9572815, 10940360, 11487378, 13128432, 15316504, 16410540, 19145630, 21880720, 22974756, 26256864, 28718445, 30633008, 32821080, 38291260, 43761440, 45949512, 57436890, 61266016, 65642160, 76582520, 91899024, 114873780, 131284320, 153165040, 183798048, 229747560, 306330080, 459495120, 918990240]

約数ペア:

[(1, 918990240), (2, 459495120), (3, 306330080), (4, 229747560), (5, 183798048), (6, 153165040), (7, 131284320), (8, 114873780), (10, 91899024), (12, 76582520), (14, 65642160), (15, 61266016), (16, 57436890), (20, 45949512), (21, 43761440), (24, 38291260), (28, 32821080), (30, 30633008), (32, 28718445), (35, 26256864), (40, 22974756), (42, 21880720), (48, 19145630), (56, 16410540), (60, 15316504), (70, 13128432), (80, 11487378), (84, 10940360), (96, 9572815), (105, 8752288), (112, 8205270), (120, 7658252), (140, 6564216), (160, 5743689), (168, 5470180), (210, 4376144), (224, 4102635), (240, 3829126), (280, 3282108), (336, 2735090), (420, 2188072), (479, 1918560), (480, 1914563), (560, 1641054), (571, 1609440), (672, 1367545), (840, 1094036), (958, 959280), (1120, 820527), (1142, 804720), (1437, 639520), (1680, 547018), (1713, 536480), (1916, 479640), (2284, 402360), (2395, 383712), (2855, 321888), (2874, 319760), (3353, 274080), (3360, 273509), (3426, 268240), (3832, 239820), (3997, 229920), (4568, 201180), (4790, 191856), (5710, 160944), (5748, 159880), (6706, 137040), (6852, 134120), (7185, 127904), (7664, 119910), (7994, 114960), (8565, 107296), (9136, 100590), (9580, 95928), (10059, 91360), (11420, 80472), (11496, 79940), (11991, 76640), (13412, 68520), (13704, 67060), (14370, 63952), (15328, 59955), (15988, 57480), (16765, 54816), (17130, 53648), (18272, 50295), (19160, 47964), (19985, 45984), (20118, 45680), (22840, 40236), (22992, 39970), (23982, 38320), (26824, 34260), (27408, 33530), (28740, 31976)]