72031680

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{397}}^1$

素因数の和:433

約数の個数: 280

約数和(自身を含む): 293571168

約数和(自身を除く): 221539488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 397, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 794, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1191, 1260, 1296, 1344, 1440, 1512, 1588, 1620, 1680, 1728, 1890, 1985, 2016, 2160, 2240, 2268, 2382, 2520, 2592, 2779, 2835, 2880, 3024, 3176, 3240, 3360, 3573, 3780, 3970, 4032, 4320, 4536, 4764, 5040, 5184, 5558, 5670, 5955, 6048, 6352, 6480, 6720, 7146, 7560, 7940, 8337, 8640, 9072, 9528, 10080, 10719, 11116, 11340, 11910, 12096, 12704, 12960, 13895, 14292, 15120, 15880, 16674, 17865, 18144, 19056, 20160, 21438, 22232, 22680, 23820, 25011, 25408, 25920, 27790, 28584, 30240, 31760, 32157, 33348, 35730, 36288, 38112, 41685, 42876, 44464, 45360, 47640, 50022, 53595, 55580, 57168, 60480, 63520, 64314, 66696, 71460, 75033, 76224, 83370, 85752, 88928, 90720, 95280, 100044, 107190, 111160, 114336, 125055, 127040, 128628, 133392, 142920, 150066, 160785, 166740, 171504, 177856, 181440, 190560, 200088, 214380, 222320, 225099, 228672, 250110, 257256, 266784, 285840, 300132, 321570, 333480, 343008, 375165, 381120, 400176, 428760, 444640, 450198, 500220, 514512, 533568, 571680, 600264, 643140, 666960, 686016, 750330, 800352, 857520, 889280, 900396, 1000440, 1029024, 1125495, 1143360, 1200528, 1286280, 1333920, 1500660, 1600704, 1715040, 1800792, 2000880, 2058048, 2250990, 2401056, 2572560, 2667840, 3001320, 3430080, 3601584, 4001760, 4501980, 4802112, 5145120, 6002640, 7203168, 8003520, 9003960, 10290240, 12005280, 14406336, 18007920, 24010560, 36015840, 72031680]

約数ペア:

[(1, 72031680), (2, 36015840), (3, 24010560), (4, 18007920), (5, 14406336), (6, 12005280), (7, 10290240), (8, 9003960), (9, 8003520), (10, 7203168), (12, 6002640), (14, 5145120), (15, 4802112), (16, 4501980), (18, 4001760), (20, 3601584), (21, 3430080), (24, 3001320), (27, 2667840), (28, 2572560), (30, 2401056), (32, 2250990), (35, 2058048), (36, 2000880), (40, 1800792), (42, 1715040), (45, 1600704), (48, 1500660), (54, 1333920), (56, 1286280), (60, 1200528), (63, 1143360), (64, 1125495), (70, 1029024), (72, 1000440), (80, 900396), (81, 889280), (84, 857520), (90, 800352), (96, 750330), (105, 686016), (108, 666960), (112, 643140), (120, 600264), (126, 571680), (135, 533568), (140, 514512), (144, 500220), (160, 450198), (162, 444640), (168, 428760), (180, 400176), (189, 381120), (192, 375165), (210, 343008), (216, 333480), (224, 321570), (240, 300132), (252, 285840), (270, 266784), (280, 257256), (288, 250110), (315, 228672), (320, 225099), (324, 222320), (336, 214380), (360, 200088), (378, 190560), (397, 181440), (405, 177856), (420, 171504), (432, 166740), (448, 160785), (480, 150066), (504, 142920), (540, 133392), (560, 128628), (567, 127040), (576, 125055), (630, 114336), (648, 111160), (672, 107190), (720, 100044), (756, 95280), (794, 90720), (810, 88928), (840, 85752), (864, 83370), (945, 76224), (960, 75033), (1008, 71460), (1080, 66696), (1120, 64314), (1134, 63520), (1191, 60480), (1260, 57168), (1296, 55580), (1344, 53595), (1440, 50022), (1512, 47640), (1588, 45360), (1620, 44464), (1680, 42876), (1728, 41685), (1890, 38112), (1985, 36288), (2016, 35730), (2160, 33348), (2240, 32157), (2268, 31760), (2382, 30240), (2520, 28584), (2592, 27790), (2779, 25920), (2835, 25408), (2880, 25011), (3024, 23820), (3176, 22680), (3240, 22232), (3360, 21438), (3573, 20160), (3780, 19056), (3970, 18144), (4032, 17865), (4320, 16674), (4536, 15880), (4764, 15120), (5040, 14292), (5184, 13895), (5558, 12960), (5670, 12704), (5955, 12096), (6048, 11910), (6352, 11340), (6480, 11116), (6720, 10719), (7146, 10080), (7560, 9528), (7940, 9072), (8337, 8640)]