397664640

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{2557}}^1$

素因数の和:2591

約数の個数: 192

約数和(自身を含む): 1424601360

約数和(自身を除く): 1026936720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2430, 2557, 2592, 2880, 3240, 3456, 3888, 4320, 4860, 5114, 5184, 5760, 6480, 7671, 7776, 8640, 9720, 10228, 10368, 12785, 12960, 15342, 15552, 17280, 19440, 20456, 23013, 25570, 25920, 30684, 31104, 38355, 38880, 40912, 46026, 51140, 51840, 61368, 69039, 76710, 77760, 81824, 92052, 102280, 115065, 122736, 138078, 153420, 155520, 163648, 184104, 204560, 207117, 230130, 245472, 276156, 306840, 327296, 345195, 368208, 409120, 414234, 460260, 490944, 552312, 613680, 621351, 690390, 736416, 818240, 828468, 920520, 981888, 1035585, 1104624, 1227360, 1242702, 1380780, 1472832, 1636480, 1656936, 1841040, 2071170, 2209248, 2454720, 2485404, 2761560, 2945664, 3106755, 3313872, 3682080, 4142340, 4418496, 4909440, 4970808, 5523120, 6213510, 6627744, 7364160, 8284680, 8836992, 9941616, 11046240, 12427020, 13255488, 14728320, 16569360, 19883232, 22092480, 24854040, 26510976, 33138720, 39766464, 44184960, 49708080, 66277440, 79532928, 99416160, 132554880, 198832320, 397664640]

約数ペア:

[(1, 397664640), (2, 198832320), (3, 132554880), (4, 99416160), (5, 79532928), (6, 66277440), (8, 49708080), (9, 44184960), (10, 39766464), (12, 33138720), (15, 26510976), (16, 24854040), (18, 22092480), (20, 19883232), (24, 16569360), (27, 14728320), (30, 13255488), (32, 12427020), (36, 11046240), (40, 9941616), (45, 8836992), (48, 8284680), (54, 7364160), (60, 6627744), (64, 6213510), (72, 5523120), (80, 4970808), (81, 4909440), (90, 4418496), (96, 4142340), (108, 3682080), (120, 3313872), (128, 3106755), (135, 2945664), (144, 2761560), (160, 2485404), (162, 2454720), (180, 2209248), (192, 2071170), (216, 1841040), (240, 1656936), (243, 1636480), (270, 1472832), (288, 1380780), (320, 1242702), (324, 1227360), (360, 1104624), (384, 1035585), (405, 981888), (432, 920520), (480, 828468), (486, 818240), (540, 736416), (576, 690390), (640, 621351), (648, 613680), (720, 552312), (810, 490944), (864, 460260), (960, 414234), (972, 409120), (1080, 368208), (1152, 345195), (1215, 327296), (1296, 306840), (1440, 276156), (1620, 245472), (1728, 230130), (1920, 207117), (1944, 204560), (2160, 184104), (2430, 163648), (2557, 155520), (2592, 153420), (2880, 138078), (3240, 122736), (3456, 115065), (3888, 102280), (4320, 92052), (4860, 81824), (5114, 77760), (5184, 76710), (5760, 69039), (6480, 61368), (7671, 51840), (7776, 51140), (8640, 46026), (9720, 40912), (10228, 38880), (10368, 38355), (12785, 31104), (12960, 30684), (15342, 25920), (15552, 25570), (17280, 23013), (19440, 20456)]