205344720

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{503}}^1$

素因数の和:541

約数の個数: 280

約数和(自身を含む): 819697536

約数和(自身を除く): 614352816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 503, 504, 540, 560, 567, 630, 648, 720, 729, 756, 810, 840, 945, 972, 1006, 1008, 1080, 1134, 1215, 1260, 1296, 1458, 1509, 1512, 1620, 1680, 1701, 1890, 1944, 2012, 2160, 2268, 2430, 2515, 2520, 2835, 2916, 3018, 3024, 3240, 3402, 3521, 3645, 3780, 3888, 4024, 4527, 4536, 4860, 5030, 5040, 5103, 5670, 5832, 6036, 6480, 6804, 7042, 7290, 7545, 7560, 8048, 8505, 9054, 9072, 9720, 10060, 10206, 10563, 11340, 11664, 12072, 13581, 13608, 14084, 14580, 15090, 15120, 17010, 17605, 18108, 19440, 20120, 20412, 21126, 22635, 22680, 24144, 25515, 27162, 27216, 28168, 29160, 30180, 31689, 34020, 35210, 36216, 40240, 40743, 40824, 42252, 45270, 45360, 51030, 52815, 54324, 56336, 58320, 60360, 63378, 67905, 68040, 70420, 72432, 81486, 81648, 84504, 90540, 95067, 102060, 105630, 108648, 120720, 122229, 126756, 135810, 136080, 140840, 158445, 162972, 169008, 181080, 190134, 203715, 204120, 211260, 217296, 244458, 253512, 271620, 281680, 285201, 316890, 325944, 362160, 366687, 380268, 407430, 408240, 422520, 475335, 488916, 507024, 543240, 570402, 611145, 633780, 651888, 733374, 760536, 814860, 845040, 855603, 950670, 977832, 1086480, 1140804, 1222290, 1267560, 1426005, 1466748, 1521072, 1629720, 1711206, 1833435, 1901340, 1955664, 2281608, 2444580, 2535120, 2566809, 2852010, 2933496, 3259440, 3422412, 3666870, 3802680, 4278015, 4563216, 4889160, 5133618, 5704020, 5866992, 6844824, 7333740, 7605360, 8556030, 9778320, 10267236, 11408040, 12834045, 13689648, 14667480, 17112060, 20534472, 22816080, 25668090, 29334960, 34224120, 41068944, 51336180, 68448240, 102672360, 205344720]

約数ペア:

[(1, 205344720), (2, 102672360), (3, 68448240), (4, 51336180), (5, 41068944), (6, 34224120), (7, 29334960), (8, 25668090), (9, 22816080), (10, 20534472), (12, 17112060), (14, 14667480), (15, 13689648), (16, 12834045), (18, 11408040), (20, 10267236), (21, 9778320), (24, 8556030), (27, 7605360), (28, 7333740), (30, 6844824), (35, 5866992), (36, 5704020), (40, 5133618), (42, 4889160), (45, 4563216), (48, 4278015), (54, 3802680), (56, 3666870), (60, 3422412), (63, 3259440), (70, 2933496), (72, 2852010), (80, 2566809), (81, 2535120), (84, 2444580), (90, 2281608), (105, 1955664), (108, 1901340), (112, 1833435), (120, 1711206), (126, 1629720), (135, 1521072), (140, 1466748), (144, 1426005), (162, 1267560), (168, 1222290), (180, 1140804), (189, 1086480), (210, 977832), (216, 950670), (240, 855603), (243, 845040), (252, 814860), (270, 760536), (280, 733374), (315, 651888), (324, 633780), (336, 611145), (360, 570402), (378, 543240), (405, 507024), (420, 488916), (432, 475335), (486, 422520), (503, 408240), (504, 407430), (540, 380268), (560, 366687), (567, 362160), (630, 325944), (648, 316890), (720, 285201), (729, 281680), (756, 271620), (810, 253512), (840, 244458), (945, 217296), (972, 211260), (1006, 204120), (1008, 203715), (1080, 190134), (1134, 181080), (1215, 169008), (1260, 162972), (1296, 158445), (1458, 140840), (1509, 136080), (1512, 135810), (1620, 126756), (1680, 122229), (1701, 120720), (1890, 108648), (1944, 105630), (2012, 102060), (2160, 95067), (2268, 90540), (2430, 84504), (2515, 81648), (2520, 81486), (2835, 72432), (2916, 70420), (3018, 68040), (3024, 67905), (3240, 63378), (3402, 60360), (3521, 58320), (3645, 56336), (3780, 54324), (3888, 52815), (4024, 51030), (4527, 45360), (4536, 45270), (4860, 42252), (5030, 40824), (5040, 40743), (5103, 40240), (5670, 36216), (5832, 35210), (6036, 34020), (6480, 31689), (6804, 30180), (7042, 29160), (7290, 28168), (7545, 27216), (7560, 27162), (8048, 25515), (8505, 24144), (9054, 22680), (9072, 22635), (9720, 21126), (10060, 20412), (10206, 20120), (10563, 19440), (11340, 18108), (11664, 17605), (12072, 17010), (13581, 15120), (13608, 15090), (14084, 14580)]