279636480

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 240

約数和(自身を含む): 991041480

約数和(自身を除く): 711405000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 229, 240, 256, 265, 288, 318, 320, 360, 384, 424, 458, 477, 480, 512, 530, 576, 636, 640, 687, 720, 768, 795, 848, 916, 954, 960, 1060, 1145, 1152, 1272, 1280, 1374, 1440, 1536, 1590, 1696, 1832, 1908, 1920, 2061, 2120, 2290, 2304, 2385, 2544, 2560, 2748, 2880, 3180, 3392, 3435, 3664, 3816, 3840, 4122, 4240, 4580, 4608, 4770, 5088, 5496, 5760, 6360, 6784, 6870, 7328, 7632, 7680, 8244, 8480, 9160, 9540, 10176, 10305, 10992, 11520, 12137, 12720, 13568, 13740, 14656, 15264, 16488, 16960, 18320, 19080, 20352, 20610, 21984, 23040, 24274, 25440, 27136, 27480, 29312, 30528, 32976, 33920, 36411, 36640, 38160, 40704, 41220, 43968, 48548, 50880, 54960, 58624, 60685, 61056, 65952, 67840, 72822, 73280, 76320, 81408, 82440, 87936, 97096, 101760, 109233, 109920, 117248, 121370, 122112, 131904, 135680, 145644, 146560, 152640, 164880, 175872, 182055, 194192, 203520, 218466, 219840, 242740, 244224, 263808, 291288, 293120, 305280, 329760, 351744, 364110, 388384, 407040, 436932, 439680, 485480, 527616, 546165, 582576, 586240, 610560, 659520, 728220, 776768, 873864, 879360, 970960, 1055232, 1092330, 1165152, 1221120, 1319040, 1456440, 1553536, 1747728, 1758720, 1941920, 2184660, 2330304, 2638080, 2912880, 3107072, 3495456, 3883840, 4369320, 4660608, 5276160, 5825760, 6214144, 6990912, 7767680, 8738640, 9321216, 11651520, 13981824, 15535360, 17477280, 18642432, 23303040, 27963648, 31070720, 34954560, 46606080, 55927296, 69909120, 93212160, 139818240, 279636480]

約数ペア:

[(1, 279636480), (2, 139818240), (3, 93212160), (4, 69909120), (5, 55927296), (6, 46606080), (8, 34954560), (9, 31070720), (10, 27963648), (12, 23303040), (15, 18642432), (16, 17477280), (18, 15535360), (20, 13981824), (24, 11651520), (30, 9321216), (32, 8738640), (36, 7767680), (40, 6990912), (45, 6214144), (48, 5825760), (53, 5276160), (60, 4660608), (64, 4369320), (72, 3883840), (80, 3495456), (90, 3107072), (96, 2912880), (106, 2638080), (120, 2330304), (128, 2184660), (144, 1941920), (159, 1758720), (160, 1747728), (180, 1553536), (192, 1456440), (212, 1319040), (229, 1221120), (240, 1165152), (256, 1092330), (265, 1055232), (288, 970960), (318, 879360), (320, 873864), (360, 776768), (384, 728220), (424, 659520), (458, 610560), (477, 586240), (480, 582576), (512, 546165), (530, 527616), (576, 485480), (636, 439680), (640, 436932), (687, 407040), (720, 388384), (768, 364110), (795, 351744), (848, 329760), (916, 305280), (954, 293120), (960, 291288), (1060, 263808), (1145, 244224), (1152, 242740), (1272, 219840), (1280, 218466), (1374, 203520), (1440, 194192), (1536, 182055), (1590, 175872), (1696, 164880), (1832, 152640), (1908, 146560), (1920, 145644), (2061, 135680), (2120, 131904), (2290, 122112), (2304, 121370), (2385, 117248), (2544, 109920), (2560, 109233), (2748, 101760), (2880, 97096), (3180, 87936), (3392, 82440), (3435, 81408), (3664, 76320), (3816, 73280), (3840, 72822), (4122, 67840), (4240, 65952), (4580, 61056), (4608, 60685), (4770, 58624), (5088, 54960), (5496, 50880), (5760, 48548), (6360, 43968), (6784, 41220), (6870, 40704), (7328, 38160), (7632, 36640), (7680, 36411), (8244, 33920), (8480, 32976), (9160, 30528), (9540, 29312), (10176, 27480), (10305, 27136), (10992, 25440), (11520, 24274), (12137, 23040), (12720, 21984), (13568, 20610), (13740, 20352), (14656, 19080), (15264, 18320), (16488, 16960)]