215515440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:788

約数の個数: 240

約数和(自身を含む): 841928256

約数和(自身を除く): 626412816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 701, 720, 732, 840, 854, 915, 976, 1008, 1098, 1220, 1260, 1281, 1402, 1464, 1680, 1708, 1830, 2103, 2135, 2196, 2440, 2520, 2562, 2745, 2804, 2928, 3416, 3505, 3660, 3843, 4206, 4270, 4392, 4880, 4907, 5040, 5124, 5490, 5608, 6309, 6405, 6832, 7010, 7320, 7686, 8412, 8540, 8784, 9814, 10248, 10515, 10980, 11216, 12618, 12810, 14020, 14640, 14721, 15372, 16824, 17080, 19215, 19628, 20496, 21030, 21960, 24535, 25236, 25620, 28040, 29442, 30744, 31545, 33648, 34160, 38430, 39256, 42060, 42761, 43920, 44163, 49070, 50472, 51240, 56080, 58884, 61488, 63090, 73605, 76860, 78512, 84120, 85522, 88326, 98140, 100944, 102480, 117768, 126180, 128283, 147210, 153720, 168240, 171044, 176652, 196280, 213805, 220815, 235536, 252360, 256566, 294420, 299327, 307440, 342088, 353304, 384849, 392560, 427610, 441630, 504720, 513132, 588840, 598654, 641415, 684176, 706608, 769698, 855220, 883260, 897981, 1026264, 1177680, 1197308, 1282830, 1496635, 1539396, 1710440, 1766520, 1795962, 1924245, 2052528, 2394616, 2565660, 2693943, 2993270, 3078792, 3420880, 3533040, 3591924, 3848490, 4489905, 4789232, 5131320, 5387886, 5986540, 6157584, 7183848, 7696980, 8979810, 10262640, 10775772, 11973080, 13469715, 14367696, 15393960, 17959620, 21551544, 23946160, 26939430, 30787920, 35919240, 43103088, 53878860, 71838480, 107757720, 215515440]

約数ペア:

[(1, 215515440), (2, 107757720), (3, 71838480), (4, 53878860), (5, 43103088), (6, 35919240), (7, 30787920), (8, 26939430), (9, 23946160), (10, 21551544), (12, 17959620), (14, 15393960), (15, 14367696), (16, 13469715), (18, 11973080), (20, 10775772), (21, 10262640), (24, 8979810), (28, 7696980), (30, 7183848), (35, 6157584), (36, 5986540), (40, 5387886), (42, 5131320), (45, 4789232), (48, 4489905), (56, 3848490), (60, 3591924), (61, 3533040), (63, 3420880), (70, 3078792), (72, 2993270), (80, 2693943), (84, 2565660), (90, 2394616), (105, 2052528), (112, 1924245), (120, 1795962), (122, 1766520), (126, 1710440), (140, 1539396), (144, 1496635), (168, 1282830), (180, 1197308), (183, 1177680), (210, 1026264), (240, 897981), (244, 883260), (252, 855220), (280, 769698), (305, 706608), (315, 684176), (336, 641415), (360, 598654), (366, 588840), (420, 513132), (427, 504720), (488, 441630), (504, 427610), (549, 392560), (560, 384849), (610, 353304), (630, 342088), (701, 307440), (720, 299327), (732, 294420), (840, 256566), (854, 252360), (915, 235536), (976, 220815), (1008, 213805), (1098, 196280), (1220, 176652), (1260, 171044), (1281, 168240), (1402, 153720), (1464, 147210), (1680, 128283), (1708, 126180), (1830, 117768), (2103, 102480), (2135, 100944), (2196, 98140), (2440, 88326), (2520, 85522), (2562, 84120), (2745, 78512), (2804, 76860), (2928, 73605), (3416, 63090), (3505, 61488), (3660, 58884), (3843, 56080), (4206, 51240), (4270, 50472), (4392, 49070), (4880, 44163), (4907, 43920), (5040, 42761), (5124, 42060), (5490, 39256), (5608, 38430), (6309, 34160), (6405, 33648), (6832, 31545), (7010, 30744), (7320, 29442), (7686, 28040), (8412, 25620), (8540, 25236), (8784, 24535), (9814, 21960), (10248, 21030), (10515, 20496), (10980, 19628), (11216, 19215), (12618, 17080), (12810, 16824), (14020, 15372), (14640, 14721)]