20264777280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{639671}}^1$

素因数の和:639705

約数の個数: 168

約数和(自身を含む): 76039089984

約数和(自身を除く): 55774312704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 10560, 15840, 31680, 639671, 1279342, 1919013, 2558684, 3198355, 3838026, 5117368, 5757039, 6396710, 7036381, 7676052, 9595065, 10234736, 11514078, 12793420, 14072762, 15352104, 19190130, 20469472, 21109143, 23028156, 25586840, 28145524, 28785195, 30704208, 35181905, 38380260, 40938944, 42218286, 46056312, 51173680, 56291048, 57570390, 61408416, 63327429, 70363810, 76760520, 84436572, 92112624, 102347360, 105545715, 112582096, 115140780, 122816832, 126654858, 140727620, 153521040, 168873144, 184225248, 204694720, 211091430, 225164192, 230281560, 253309716, 281455240, 307042080, 316637145, 337746288, 368450496, 422182860, 450328384, 460563120, 506619432, 562910480, 614084160, 633274290, 675492576, 844365720, 921126240, 1013238864, 1125820960, 1266548580, 1350985152, 1688731440, 1842252480, 2026477728, 2251641920, 2533097160, 3377462880, 4052955456, 5066194320, 6754925760, 10132388640, 20264777280]

約数ペア:

[(1, 20264777280), (2, 10132388640), (3, 6754925760), (4, 5066194320), (5, 4052955456), (6, 3377462880), (8, 2533097160), (9, 2251641920), (10, 2026477728), (11, 1842252480), (12, 1688731440), (15, 1350985152), (16, 1266548580), (18, 1125820960), (20, 1013238864), (22, 921126240), (24, 844365720), (30, 675492576), (32, 633274290), (33, 614084160), (36, 562910480), (40, 506619432), (44, 460563120), (45, 450328384), (48, 422182860), (55, 368450496), (60, 337746288), (64, 316637145), (66, 307042080), (72, 281455240), (80, 253309716), (88, 230281560), (90, 225164192), (96, 211091430), (99, 204694720), (110, 184225248), (120, 168873144), (132, 153521040), (144, 140727620), (160, 126654858), (165, 122816832), (176, 115140780), (180, 112582096), (192, 105545715), (198, 102347360), (220, 92112624), (240, 84436572), (264, 76760520), (288, 70363810), (320, 63327429), (330, 61408416), (352, 57570390), (360, 56291048), (396, 51173680), (440, 46056312), (480, 42218286), (495, 40938944), (528, 38380260), (576, 35181905), (660, 30704208), (704, 28785195), (720, 28145524), (792, 25586840), (880, 23028156), (960, 21109143), (990, 20469472), (1056, 19190130), (1320, 15352104), (1440, 14072762), (1584, 12793420), (1760, 11514078), (1980, 10234736), (2112, 9595065), (2640, 7676052), (2880, 7036381), (3168, 6396710), (3520, 5757039), (3960, 5117368), (5280, 3838026), (6336, 3198355), (7920, 2558684), (10560, 1919013), (15840, 1279342), (31680, 639671)]