1998568320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4019}}^1$

素因数の和:4085

約数の個数: 256

約数和(自身を含む): 7479129600

約数和(自身を除く): 5480561280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 64, 70, 74, 80, 84, 96, 105, 111, 112, 120, 128, 140, 148, 160, 168, 185, 192, 210, 222, 224, 240, 259, 280, 296, 320, 336, 370, 384, 420, 444, 448, 480, 518, 555, 560, 592, 640, 672, 740, 777, 840, 888, 896, 960, 1036, 1110, 1120, 1184, 1295, 1344, 1480, 1554, 1680, 1776, 1920, 2072, 2220, 2240, 2368, 2590, 2688, 2960, 3108, 3360, 3552, 3885, 4019, 4144, 4440, 4480, 4736, 5180, 5920, 6216, 6720, 7104, 7770, 8038, 8288, 8880, 10360, 11840, 12057, 12432, 13440, 14208, 15540, 16076, 16576, 17760, 20095, 20720, 23680, 24114, 24864, 28133, 31080, 32152, 33152, 35520, 40190, 41440, 48228, 49728, 56266, 60285, 62160, 64304, 71040, 80380, 82880, 84399, 96456, 99456, 112532, 120570, 124320, 128608, 140665, 148703, 160760, 165760, 168798, 192912, 225064, 241140, 248640, 257216, 281330, 297406, 321520, 337596, 385824, 421995, 446109, 450128, 482280, 497280, 514432, 562660, 594812, 643040, 675192, 743515, 771648, 843990, 892218, 900256, 964560, 1040921, 1125320, 1189624, 1286080, 1350384, 1487030, 1543296, 1687980, 1784436, 1800512, 1929120, 2081842, 2230545, 2250640, 2379248, 2572160, 2700768, 2974060, 3122763, 3375960, 3568872, 3601024, 3858240, 4163684, 4461090, 4501280, 4758496, 5204605, 5401536, 5948120, 6245526, 6751920, 7137744, 7716480, 8327368, 8922180, 9002560, 9516992, 10409210, 10803072, 11896240, 12491052, 13503840, 14275488, 15613815, 16654736, 17844360, 18005120, 19033984, 20818420, 23792480, 24982104, 27007680, 28550976, 31227630, 33309472, 35688720, 41636840, 47584960, 49964208, 54015360, 57101952, 62455260, 66618944, 71377440, 83273680, 95169920, 99928416, 124910520, 133237888, 142754880, 166547360, 199856832, 249821040, 285509760, 333094720, 399713664, 499642080, 666189440, 999284160, 1998568320]

約数ペア:

[(1, 1998568320), (2, 999284160), (3, 666189440), (4, 499642080), (5, 399713664), (6, 333094720), (7, 285509760), (8, 249821040), (10, 199856832), (12, 166547360), (14, 142754880), (15, 133237888), (16, 124910520), (20, 99928416), (21, 95169920), (24, 83273680), (28, 71377440), (30, 66618944), (32, 62455260), (35, 57101952), (37, 54015360), (40, 49964208), (42, 47584960), (48, 41636840), (56, 35688720), (60, 33309472), (64, 31227630), (70, 28550976), (74, 27007680), (80, 24982104), (84, 23792480), (96, 20818420), (105, 19033984), (111, 18005120), (112, 17844360), (120, 16654736), (128, 15613815), (140, 14275488), (148, 13503840), (160, 12491052), (168, 11896240), (185, 10803072), (192, 10409210), (210, 9516992), (222, 9002560), (224, 8922180), (240, 8327368), (259, 7716480), (280, 7137744), (296, 6751920), (320, 6245526), (336, 5948120), (370, 5401536), (384, 5204605), (420, 4758496), (444, 4501280), (448, 4461090), (480, 4163684), (518, 3858240), (555, 3601024), (560, 3568872), (592, 3375960), (640, 3122763), (672, 2974060), (740, 2700768), (777, 2572160), (840, 2379248), (888, 2250640), (896, 2230545), (960, 2081842), (1036, 1929120), (1110, 1800512), (1120, 1784436), (1184, 1687980), (1295, 1543296), (1344, 1487030), (1480, 1350384), (1554, 1286080), (1680, 1189624), (1776, 1125320), (1920, 1040921), (2072, 964560), (2220, 900256), (2240, 892218), (2368, 843990), (2590, 771648), (2688, 743515), (2960, 675192), (3108, 643040), (3360, 594812), (3552, 562660), (3885, 514432), (4019, 497280), (4144, 482280), (4440, 450128), (4480, 446109), (4736, 421995), (5180, 385824), (5920, 337596), (6216, 321520), (6720, 297406), (7104, 281330), (7770, 257216), (8038, 248640), (8288, 241140), (8880, 225064), (10360, 192912), (11840, 168798), (12057, 165760), (12432, 160760), (13440, 148703), (14208, 140665), (15540, 128608), (16076, 124320), (16576, 120570), (17760, 112532), (20095, 99456), (20720, 96456), (23680, 84399), (24114, 82880), (24864, 80380), (28133, 71040), (31080, 64304), (32152, 62160), (33152, 60285), (35520, 56266), (40190, 49728), (41440, 48228)]