1281678720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2029}}^1$

素因数の和:2105

約数の個数: 256

約数和(自身を含む): 4770662400

約数和(自身を除く): 3488983680

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, 47, 48, 56, 60, 64, 70, 80, 84, 94, 96, 105, 112, 120, 128, 140, 141, 160, 168, 188, 192, 210, 224, 235, 240, 280, 282, 320, 329, 336, 376, 384, 420, 448, 470, 480, 560, 564, 640, 658, 672, 705, 752, 840, 896, 940, 960, 987, 1120, 1128, 1316, 1344, 1410, 1504, 1645, 1680, 1880, 1920, 1974, 2029, 2240, 2256, 2632, 2688, 2820, 3008, 3290, 3360, 3760, 3948, 4058, 4480, 4512, 4935, 5264, 5640, 6016, 6087, 6580, 6720, 7520, 7896, 8116, 9024, 9870, 10145, 10528, 11280, 12174, 13160, 13440, 14203, 15040, 15792, 16232, 18048, 19740, 20290, 21056, 22560, 24348, 26320, 28406, 30080, 30435, 31584, 32464, 39480, 40580, 42112, 42609, 45120, 48696, 52640, 56812, 60870, 63168, 64928, 71015, 78960, 81160, 85218, 90240, 95363, 97392, 105280, 113624, 121740, 126336, 129856, 142030, 157920, 162320, 170436, 190726, 194784, 210560, 213045, 227248, 243480, 259712, 284060, 286089, 315840, 324640, 340872, 381452, 389568, 426090, 454496, 476815, 486960, 568120, 572178, 631680, 649280, 667541, 681744, 762904, 779136, 852180, 908992, 953630, 973920, 1136240, 1144356, 1298560, 1335082, 1363488, 1430445, 1525808, 1704360, 1817984, 1907260, 1947840, 2002623, 2272480, 2288712, 2670164, 2726976, 2860890, 3051616, 3337705, 3408720, 3814520, 3895680, 4005246, 4544960, 4577424, 5340328, 5453952, 5721780, 6103232, 6675410, 6817440, 7629040, 8010492, 9089920, 9154848, 10013115, 10680656, 11443560, 12206464, 13350820, 13634880, 15258080, 16020984, 18309696, 20026230, 21361312, 22887120, 26701640, 27269760, 30516160, 32041968, 36619392, 40052460, 42722624, 45774240, 53403280, 61032320, 64083936, 80104920, 85445248, 91548480, 106806560, 128167872, 160209840, 183096960, 213613120, 256335744, 320419680, 427226240, 640839360, 1281678720]

約数ペア:

[(1, 1281678720), (2, 640839360), (3, 427226240), (4, 320419680), (5, 256335744), (6, 213613120), (7, 183096960), (8, 160209840), (10, 128167872), (12, 106806560), (14, 91548480), (15, 85445248), (16, 80104920), (20, 64083936), (21, 61032320), (24, 53403280), (28, 45774240), (30, 42722624), (32, 40052460), (35, 36619392), (40, 32041968), (42, 30516160), (47, 27269760), (48, 26701640), (56, 22887120), (60, 21361312), (64, 20026230), (70, 18309696), (80, 16020984), (84, 15258080), (94, 13634880), (96, 13350820), (105, 12206464), (112, 11443560), (120, 10680656), (128, 10013115), (140, 9154848), (141, 9089920), (160, 8010492), (168, 7629040), (188, 6817440), (192, 6675410), (210, 6103232), (224, 5721780), (235, 5453952), (240, 5340328), (280, 4577424), (282, 4544960), (320, 4005246), (329, 3895680), (336, 3814520), (376, 3408720), (384, 3337705), (420, 3051616), (448, 2860890), (470, 2726976), (480, 2670164), (560, 2288712), (564, 2272480), (640, 2002623), (658, 1947840), (672, 1907260), (705, 1817984), (752, 1704360), (840, 1525808), (896, 1430445), (940, 1363488), (960, 1335082), (987, 1298560), (1120, 1144356), (1128, 1136240), (1316, 973920), (1344, 953630), (1410, 908992), (1504, 852180), (1645, 779136), (1680, 762904), (1880, 681744), (1920, 667541), (1974, 649280), (2029, 631680), (2240, 572178), (2256, 568120), (2632, 486960), (2688, 476815), (2820, 454496), (3008, 426090), (3290, 389568), (3360, 381452), (3760, 340872), (3948, 324640), (4058, 315840), (4480, 286089), (4512, 284060), (4935, 259712), (5264, 243480), (5640, 227248), (6016, 213045), (6087, 210560), (6580, 194784), (6720, 190726), (7520, 170436), (7896, 162320), (8116, 157920), (9024, 142030), (9870, 129856), (10145, 126336), (10528, 121740), (11280, 113624), (12174, 105280), (13160, 97392), (13440, 95363), (14203, 90240), (15040, 85218), (15792, 81160), (16232, 78960), (18048, 71015), (19740, 64928), (20290, 63168), (21056, 60870), (22560, 56812), (24348, 52640), (26320, 48696), (28406, 45120), (30080, 42609), (30435, 42112), (31584, 40580), (32464, 39480)]