258894720

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6421}}^1$

素因数の和:6453

約数の個数: 192

約数和(自身を含む): 1021868640

約数和(自身を除く): 762973920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6421, 6720, 8064, 10080, 12842, 13440, 19263, 20160, 25684, 32105, 38526, 40320, 44947, 51368, 57789, 64210, 77052, 89894, 96315, 102736, 115578, 128420, 134841, 154104, 179788, 192630, 205472, 224735, 231156, 256840, 269682, 288945, 308208, 359576, 385260, 404523, 410944, 449470, 462312, 513680, 539364, 577890, 616416, 674205, 719152, 770520, 809046, 821888, 898940, 924624, 1027360, 1078728, 1155780, 1232832, 1348410, 1438304, 1541040, 1618092, 1797880, 1849248, 2022615, 2054720, 2157456, 2311560, 2465664, 2696820, 2876608, 3082080, 3236184, 3595760, 3698496, 4045230, 4109440, 4314912, 4623120, 5393640, 5753216, 6164160, 6472368, 7191520, 7396992, 8090460, 8629824, 9246240, 10787280, 12328320, 12944736, 14383040, 16180920, 17259648, 18492480, 21574560, 25889472, 28766080, 32361840, 36984960, 43149120, 51778944, 64723680, 86298240, 129447360, 258894720]

約数ペア:

[(1, 258894720), (2, 129447360), (3, 86298240), (4, 64723680), (5, 51778944), (6, 43149120), (7, 36984960), (8, 32361840), (9, 28766080), (10, 25889472), (12, 21574560), (14, 18492480), (15, 17259648), (16, 16180920), (18, 14383040), (20, 12944736), (21, 12328320), (24, 10787280), (28, 9246240), (30, 8629824), (32, 8090460), (35, 7396992), (36, 7191520), (40, 6472368), (42, 6164160), (45, 5753216), (48, 5393640), (56, 4623120), (60, 4314912), (63, 4109440), (64, 4045230), (70, 3698496), (72, 3595760), (80, 3236184), (84, 3082080), (90, 2876608), (96, 2696820), (105, 2465664), (112, 2311560), (120, 2157456), (126, 2054720), (128, 2022615), (140, 1849248), (144, 1797880), (160, 1618092), (168, 1541040), (180, 1438304), (192, 1348410), (210, 1232832), (224, 1155780), (240, 1078728), (252, 1027360), (280, 924624), (288, 898940), (315, 821888), (320, 809046), (336, 770520), (360, 719152), (384, 674205), (420, 616416), (448, 577890), (480, 539364), (504, 513680), (560, 462312), (576, 449470), (630, 410944), (640, 404523), (672, 385260), (720, 359576), (840, 308208), (896, 288945), (960, 269682), (1008, 256840), (1120, 231156), (1152, 224735), (1260, 205472), (1344, 192630), (1440, 179788), (1680, 154104), (1920, 134841), (2016, 128420), (2240, 115578), (2520, 102736), (2688, 96315), (2880, 89894), (3360, 77052), (4032, 64210), (4480, 57789), (5040, 51368), (5760, 44947), (6421, 40320), (6720, 38526), (8064, 32105), (10080, 25684), (12842, 20160), (13440, 19263)]