720205440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 256

約数和(自身を含む): 2453483520

約数和(自身を除く): 1733278080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 47, 48, 60, 64, 69, 80, 92, 94, 96, 115, 120, 128, 138, 141, 160, 184, 188, 192, 230, 235, 240, 276, 282, 320, 345, 347, 368, 376, 384, 460, 470, 480, 552, 564, 640, 690, 694, 705, 736, 752, 920, 940, 960, 1041, 1081, 1104, 1128, 1380, 1388, 1410, 1472, 1504, 1735, 1840, 1880, 1920, 2082, 2162, 2208, 2256, 2760, 2776, 2820, 2944, 3008, 3243, 3470, 3680, 3760, 4164, 4324, 4416, 4512, 5205, 5405, 5520, 5552, 5640, 6016, 6486, 6940, 7360, 7520, 7981, 8328, 8648, 8832, 9024, 10410, 10810, 11040, 11104, 11280, 12972, 13880, 14720, 15040, 15962, 16215, 16309, 16656, 17296, 18048, 20820, 21620, 22080, 22208, 22560, 23943, 25944, 27760, 30080, 31924, 32430, 32618, 33312, 34592, 39905, 41640, 43240, 44160, 44416, 45120, 47886, 48927, 51888, 55520, 63848, 64860, 65236, 66624, 69184, 79810, 81545, 83280, 86480, 90240, 95772, 97854, 103776, 111040, 119715, 127696, 129720, 130472, 133248, 138368, 159620, 163090, 166560, 172960, 191544, 195708, 207552, 222080, 239430, 244635, 255392, 259440, 260944, 319240, 326180, 333120, 345920, 375107, 383088, 391416, 415104, 478860, 489270, 510784, 518880, 521888, 638480, 652360, 666240, 691840, 750214, 766176, 782832, 957720, 978540, 1021568, 1037760, 1043776, 1125321, 1276960, 1304720, 1500428, 1532352, 1565664, 1875535, 1915440, 1957080, 2075520, 2087552, 2250642, 2553920, 2609440, 3000856, 3064704, 3131328, 3751070, 3830880, 3914160, 4501284, 5107840, 5218880, 5626605, 6001712, 6262656, 7502140, 7661760, 7828320, 9002568, 10437760, 11253210, 12003424, 15004280, 15323520, 15656640, 18005136, 22506420, 24006848, 30008560, 31313280, 36010272, 45012840, 48013696, 60017120, 72020544, 90025680, 120034240, 144041088, 180051360, 240068480, 360102720, 720205440]

約数ペア:

[(1, 720205440), (2, 360102720), (3, 240068480), (4, 180051360), (5, 144041088), (6, 120034240), (8, 90025680), (10, 72020544), (12, 60017120), (15, 48013696), (16, 45012840), (20, 36010272), (23, 31313280), (24, 30008560), (30, 24006848), (32, 22506420), (40, 18005136), (46, 15656640), (47, 15323520), (48, 15004280), (60, 12003424), (64, 11253210), (69, 10437760), (80, 9002568), (92, 7828320), (94, 7661760), (96, 7502140), (115, 6262656), (120, 6001712), (128, 5626605), (138, 5218880), (141, 5107840), (160, 4501284), (184, 3914160), (188, 3830880), (192, 3751070), (230, 3131328), (235, 3064704), (240, 3000856), (276, 2609440), (282, 2553920), (320, 2250642), (345, 2087552), (347, 2075520), (368, 1957080), (376, 1915440), (384, 1875535), (460, 1565664), (470, 1532352), (480, 1500428), (552, 1304720), (564, 1276960), (640, 1125321), (690, 1043776), (694, 1037760), (705, 1021568), (736, 978540), (752, 957720), (920, 782832), (940, 766176), (960, 750214), (1041, 691840), (1081, 666240), (1104, 652360), (1128, 638480), (1380, 521888), (1388, 518880), (1410, 510784), (1472, 489270), (1504, 478860), (1735, 415104), (1840, 391416), (1880, 383088), (1920, 375107), (2082, 345920), (2162, 333120), (2208, 326180), (2256, 319240), (2760, 260944), (2776, 259440), (2820, 255392), (2944, 244635), (3008, 239430), (3243, 222080), (3470, 207552), (3680, 195708), (3760, 191544), (4164, 172960), (4324, 166560), (4416, 163090), (4512, 159620), (5205, 138368), (5405, 133248), (5520, 130472), (5552, 129720), (5640, 127696), (6016, 119715), (6486, 111040), (6940, 103776), (7360, 97854), (7520, 95772), (7981, 90240), (8328, 86480), (8648, 83280), (8832, 81545), (9024, 79810), (10410, 69184), (10810, 66624), (11040, 65236), (11104, 64860), (11280, 63848), (12972, 55520), (13880, 51888), (14720, 48927), (15040, 47886), (15962, 45120), (16215, 44416), (16309, 44160), (16656, 43240), (17296, 41640), (18048, 39905), (20820, 34592), (21620, 33312), (22080, 32618), (22208, 32430), (22560, 31924), (23943, 30080), (25944, 27760)]