259171920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 320

約数和(自身を含む): 1040647680

約数和(自身を除く): 781475760

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, 61, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 122, 126, 135, 140, 144, 168, 180, 183, 189, 210, 216, 240, 244, 252, 270, 280, 281, 305, 315, 336, 360, 366, 378, 420, 427, 432, 488, 504, 540, 549, 560, 562, 610, 630, 720, 732, 756, 840, 843, 854, 915, 945, 976, 1008, 1080, 1098, 1124, 1220, 1260, 1281, 1405, 1464, 1512, 1647, 1680, 1686, 1708, 1830, 1890, 1967, 2135, 2160, 2196, 2248, 2440, 2520, 2529, 2562, 2745, 2810, 2928, 3024, 3294, 3372, 3416, 3660, 3780, 3843, 3934, 4215, 4270, 4392, 4496, 4880, 5040, 5058, 5124, 5490, 5620, 5901, 6405, 6588, 6744, 6832, 7320, 7560, 7587, 7686, 7868, 8235, 8430, 8540, 8784, 9835, 10116, 10248, 10980, 11240, 11529, 11802, 12645, 12810, 13176, 13488, 14640, 15120, 15174, 15372, 15736, 16470, 16860, 17080, 17141, 17703, 19215, 19670, 20232, 20496, 21960, 22480, 23058, 23604, 25290, 25620, 26352, 29505, 30348, 30744, 31472, 32940, 33720, 34160, 34282, 35406, 37935, 38430, 39340, 40464, 43920, 46116, 47208, 50580, 51240, 51423, 53109, 57645, 59010, 60696, 61488, 65880, 67440, 68564, 70812, 75870, 76860, 78680, 85705, 88515, 92232, 94416, 101160, 102480, 102846, 106218, 115290, 118020, 119987, 121392, 131760, 137128, 141624, 151740, 153720, 154269, 157360, 171410, 177030, 184464, 202320, 205692, 212436, 230580, 236040, 239974, 257115, 265545, 274256, 283248, 303480, 307440, 308538, 342820, 354060, 359961, 411384, 424872, 461160, 462807, 472080, 479948, 514230, 531090, 599935, 606960, 617076, 685640, 708120, 719922, 771345, 822768, 849744, 922320, 925614, 959896, 1028460, 1062180, 1079883, 1199870, 1234152, 1371280, 1416240, 1439844, 1542690, 1799805, 1851228, 1919792, 2056920, 2124360, 2159766, 2314035, 2399740, 2468304, 2879688, 3085380, 3239649, 3599610, 3702456, 4113840, 4248720, 4319532, 4628070, 4799480, 5399415, 5759376, 6170760, 6479298, 7199220, 7404912, 8639064, 9256140, 9598960, 10798830, 12341520, 12958596, 14398440, 16198245, 17278128, 18512280, 21597660, 25917192, 28796880, 32396490, 37024560, 43195320, 51834384, 64792980, 86390640, 129585960, 259171920]

約数ペア:

[(1, 259171920), (2, 129585960), (3, 86390640), (4, 64792980), (5, 51834384), (6, 43195320), (7, 37024560), (8, 32396490), (9, 28796880), (10, 25917192), (12, 21597660), (14, 18512280), (15, 17278128), (16, 16198245), (18, 14398440), (20, 12958596), (21, 12341520), (24, 10798830), (27, 9598960), (28, 9256140), (30, 8639064), (35, 7404912), (36, 7199220), (40, 6479298), (42, 6170760), (45, 5759376), (48, 5399415), (54, 4799480), (56, 4628070), (60, 4319532), (61, 4248720), (63, 4113840), (70, 3702456), (72, 3599610), (80, 3239649), (84, 3085380), (90, 2879688), (105, 2468304), (108, 2399740), (112, 2314035), (120, 2159766), (122, 2124360), (126, 2056920), (135, 1919792), (140, 1851228), (144, 1799805), (168, 1542690), (180, 1439844), (183, 1416240), (189, 1371280), (210, 1234152), (216, 1199870), (240, 1079883), (244, 1062180), (252, 1028460), (270, 959896), (280, 925614), (281, 922320), (305, 849744), (315, 822768), (336, 771345), (360, 719922), (366, 708120), (378, 685640), (420, 617076), (427, 606960), (432, 599935), (488, 531090), (504, 514230), (540, 479948), (549, 472080), (560, 462807), (562, 461160), (610, 424872), (630, 411384), (720, 359961), (732, 354060), (756, 342820), (840, 308538), (843, 307440), (854, 303480), (915, 283248), (945, 274256), (976, 265545), (1008, 257115), (1080, 239974), (1098, 236040), (1124, 230580), (1220, 212436), (1260, 205692), (1281, 202320), (1405, 184464), (1464, 177030), (1512, 171410), (1647, 157360), (1680, 154269), (1686, 153720), (1708, 151740), (1830, 141624), (1890, 137128), (1967, 131760), (2135, 121392), (2160, 119987), (2196, 118020), (2248, 115290), (2440, 106218), (2520, 102846), (2529, 102480), (2562, 101160), (2745, 94416), (2810, 92232), (2928, 88515), (3024, 85705), (3294, 78680), (3372, 76860), (3416, 75870), (3660, 70812), (3780, 68564), (3843, 67440), (3934, 65880), (4215, 61488), (4270, 60696), (4392, 59010), (4496, 57645), (4880, 53109), (5040, 51423), (5058, 51240), (5124, 50580), (5490, 47208), (5620, 46116), (5901, 43920), (6405, 40464), (6588, 39340), (6744, 38430), (6832, 37935), (7320, 35406), (7560, 34282), (7587, 34160), (7686, 33720), (7868, 32940), (8235, 31472), (8430, 30744), (8540, 30348), (8784, 29505), (9835, 26352), (10116, 25620), (10248, 25290), (10980, 23604), (11240, 23058), (11529, 22480), (11802, 21960), (12645, 20496), (12810, 20232), (13176, 19670), (13488, 19215), (14640, 17703), (15120, 17141), (15174, 17080), (15372, 16860), (15736, 16470)]