71948520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 256

約数和(自身を含む): 283852800

約数和(自身を除く): 211904280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 307, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 614, 620, 630, 651, 744, 756, 837, 840, 868, 921, 930, 945, 1080, 1085, 1116, 1228, 1240, 1260, 1302, 1395, 1512, 1535, 1674, 1736, 1842, 1860, 1890, 1953, 2149, 2170, 2232, 2456, 2520, 2604, 2763, 2790, 3070, 3255, 3348, 3684, 3720, 3780, 3906, 4185, 4298, 4340, 4605, 5208, 5526, 5580, 5859, 6140, 6447, 6510, 6696, 7368, 7560, 7812, 8289, 8370, 8596, 8680, 9210, 9517, 9765, 10745, 11052, 11160, 11718, 12280, 12894, 13020, 13815, 15624, 16578, 16740, 17192, 18420, 19034, 19341, 19530, 21490, 22104, 23436, 25788, 26040, 27630, 28551, 29295, 32235, 33156, 33480, 36840, 38068, 38682, 39060, 41445, 42980, 46872, 47585, 51576, 55260, 57102, 58023, 58590, 64470, 66312, 66619, 76136, 77364, 78120, 82890, 85653, 85960, 95170, 96705, 110520, 114204, 116046, 117180, 128940, 133238, 142755, 154728, 165780, 171306, 190340, 193410, 199857, 228408, 232092, 234360, 256959, 257880, 266476, 285510, 290115, 331560, 333095, 342612, 380680, 386820, 399714, 428265, 464184, 513918, 532952, 571020, 580230, 599571, 666190, 685224, 773640, 799428, 856530, 999285, 1027836, 1142040, 1160460, 1199142, 1284795, 1332380, 1598856, 1713060, 1798713, 1998570, 2055672, 2320920, 2398284, 2569590, 2664760, 2997855, 3426120, 3597426, 3997140, 4796568, 5139180, 5995710, 7194852, 7994280, 8993565, 10278360, 11991420, 14389704, 17987130, 23982840, 35974260, 71948520]

約数ペア:

[(1, 71948520), (2, 35974260), (3, 23982840), (4, 17987130), (5, 14389704), (6, 11991420), (7, 10278360), (8, 8993565), (9, 7994280), (10, 7194852), (12, 5995710), (14, 5139180), (15, 4796568), (18, 3997140), (20, 3597426), (21, 3426120), (24, 2997855), (27, 2664760), (28, 2569590), (30, 2398284), (31, 2320920), (35, 2055672), (36, 1998570), (40, 1798713), (42, 1713060), (45, 1598856), (54, 1332380), (56, 1284795), (60, 1199142), (62, 1160460), (63, 1142040), (70, 1027836), (72, 999285), (84, 856530), (90, 799428), (93, 773640), (105, 685224), (108, 666190), (120, 599571), (124, 580230), (126, 571020), (135, 532952), (140, 513918), (155, 464184), (168, 428265), (180, 399714), (186, 386820), (189, 380680), (210, 342612), (216, 333095), (217, 331560), (248, 290115), (252, 285510), (270, 266476), (279, 257880), (280, 256959), (307, 234360), (310, 232092), (315, 228408), (360, 199857), (372, 193410), (378, 190340), (420, 171306), (434, 165780), (465, 154728), (504, 142755), (540, 133238), (558, 128940), (614, 117180), (620, 116046), (630, 114204), (651, 110520), (744, 96705), (756, 95170), (837, 85960), (840, 85653), (868, 82890), (921, 78120), (930, 77364), (945, 76136), (1080, 66619), (1085, 66312), (1116, 64470), (1228, 58590), (1240, 58023), (1260, 57102), (1302, 55260), (1395, 51576), (1512, 47585), (1535, 46872), (1674, 42980), (1736, 41445), (1842, 39060), (1860, 38682), (1890, 38068), (1953, 36840), (2149, 33480), (2170, 33156), (2232, 32235), (2456, 29295), (2520, 28551), (2604, 27630), (2763, 26040), (2790, 25788), (3070, 23436), (3255, 22104), (3348, 21490), (3684, 19530), (3720, 19341), (3780, 19034), (3906, 18420), (4185, 17192), (4298, 16740), (4340, 16578), (4605, 15624), (5208, 13815), (5526, 13020), (5580, 12894), (5859, 12280), (6140, 11718), (6447, 11160), (6510, 11052), (6696, 10745), (7368, 9765), (7560, 9517), (7812, 9210), (8289, 8680), (8370, 8596)]