881614720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 256

約数和(自身を含む): 2538086400

約数和(自身を除く): 1656471680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 53, 56, 64, 70, 79, 80, 94, 106, 112, 128, 140, 158, 160, 188, 212, 224, 235, 265, 280, 316, 320, 329, 371, 376, 395, 424, 448, 470, 530, 553, 560, 632, 640, 658, 742, 752, 790, 848, 896, 940, 1060, 1106, 1120, 1264, 1316, 1484, 1504, 1580, 1645, 1696, 1855, 1880, 2120, 2212, 2240, 2491, 2528, 2632, 2765, 2968, 3008, 3160, 3290, 3392, 3710, 3713, 3760, 4187, 4240, 4424, 4480, 4982, 5056, 5264, 5530, 5936, 6016, 6320, 6580, 6784, 7420, 7426, 7520, 8374, 8480, 8848, 9964, 10112, 10528, 11060, 11872, 12455, 12640, 13160, 14840, 14852, 15040, 16748, 16960, 17437, 17696, 18565, 19928, 20935, 21056, 22120, 23744, 24910, 25280, 25991, 26320, 29309, 29680, 29704, 30080, 33496, 33920, 34874, 35392, 37130, 39856, 41870, 42112, 44240, 47488, 49820, 50560, 51982, 52640, 58618, 59360, 59408, 66992, 69748, 70784, 74260, 79712, 83740, 87185, 88480, 99640, 103964, 105280, 117236, 118720, 118816, 129955, 133984, 139496, 146545, 148520, 159424, 167480, 174370, 176960, 196789, 199280, 207928, 210560, 234472, 237440, 237632, 259910, 267968, 278992, 293090, 297040, 318848, 334960, 348740, 353920, 393578, 398560, 415856, 468944, 475264, 519820, 535936, 557984, 586180, 594080, 669920, 697480, 787156, 797120, 831712, 937888, 983945, 1039640, 1115968, 1172360, 1188160, 1339840, 1377523, 1394960, 1574312, 1594240, 1663424, 1875776, 1967890, 2079280, 2231936, 2344720, 2376320, 2679680, 2755046, 2789920, 3148624, 3326848, 3751552, 3935780, 4158560, 4689440, 5510092, 5579840, 6297248, 6887615, 7871560, 8317120, 9378880, 11020184, 11159680, 12594496, 13775230, 15743120, 16634240, 18757760, 22040368, 25188992, 27550460, 31486240, 44080736, 55100920, 62972480, 88161472, 110201840, 125944960, 176322944, 220403680, 440807360, 881614720]

約数ペア:

[(1, 881614720), (2, 440807360), (4, 220403680), (5, 176322944), (7, 125944960), (8, 110201840), (10, 88161472), (14, 62972480), (16, 55100920), (20, 44080736), (28, 31486240), (32, 27550460), (35, 25188992), (40, 22040368), (47, 18757760), (53, 16634240), (56, 15743120), (64, 13775230), (70, 12594496), (79, 11159680), (80, 11020184), (94, 9378880), (106, 8317120), (112, 7871560), (128, 6887615), (140, 6297248), (158, 5579840), (160, 5510092), (188, 4689440), (212, 4158560), (224, 3935780), (235, 3751552), (265, 3326848), (280, 3148624), (316, 2789920), (320, 2755046), (329, 2679680), (371, 2376320), (376, 2344720), (395, 2231936), (424, 2079280), (448, 1967890), (470, 1875776), (530, 1663424), (553, 1594240), (560, 1574312), (632, 1394960), (640, 1377523), (658, 1339840), (742, 1188160), (752, 1172360), (790, 1115968), (848, 1039640), (896, 983945), (940, 937888), (1060, 831712), (1106, 797120), (1120, 787156), (1264, 697480), (1316, 669920), (1484, 594080), (1504, 586180), (1580, 557984), (1645, 535936), (1696, 519820), (1855, 475264), (1880, 468944), (2120, 415856), (2212, 398560), (2240, 393578), (2491, 353920), (2528, 348740), (2632, 334960), (2765, 318848), (2968, 297040), (3008, 293090), (3160, 278992), (3290, 267968), (3392, 259910), (3710, 237632), (3713, 237440), (3760, 234472), (4187, 210560), (4240, 207928), (4424, 199280), (4480, 196789), (4982, 176960), (5056, 174370), (5264, 167480), (5530, 159424), (5936, 148520), (6016, 146545), (6320, 139496), (6580, 133984), (6784, 129955), (7420, 118816), (7426, 118720), (7520, 117236), (8374, 105280), (8480, 103964), (8848, 99640), (9964, 88480), (10112, 87185), (10528, 83740), (11060, 79712), (11872, 74260), (12455, 70784), (12640, 69748), (13160, 66992), (14840, 59408), (14852, 59360), (15040, 58618), (16748, 52640), (16960, 51982), (17437, 50560), (17696, 49820), (18565, 47488), (19928, 44240), (20935, 42112), (21056, 41870), (22120, 39856), (23744, 37130), (24910, 35392), (25280, 34874), (25991, 33920), (26320, 33496), (29309, 30080), (29680, 29704)]