81275400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 293703300

約数和(自身を除く): 212427900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 29, 30, 36, 40, 45, 50, 54, 58, 60, 72, 75, 81, 87, 90, 100, 108, 116, 120, 135, 145, 150, 162, 173, 174, 180, 200, 216, 225, 232, 261, 270, 290, 300, 324, 346, 348, 360, 405, 435, 450, 519, 522, 540, 580, 600, 648, 675, 692, 696, 725, 783, 810, 865, 870, 900, 1038, 1044, 1080, 1160, 1305, 1350, 1384, 1450, 1557, 1566, 1620, 1730, 1740, 1800, 2025, 2076, 2088, 2175, 2349, 2595, 2610, 2700, 2900, 3114, 3132, 3240, 3460, 3480, 3915, 4050, 4152, 4325, 4350, 4671, 4698, 5017, 5190, 5220, 5400, 5800, 6228, 6264, 6525, 6920, 7785, 7830, 8100, 8650, 8700, 9342, 9396, 10034, 10380, 10440, 11745, 12456, 12975, 13050, 14013, 15051, 15570, 15660, 16200, 17300, 17400, 18684, 18792, 19575, 20068, 20760, 23355, 23490, 25085, 25950, 26100, 28026, 30102, 31140, 31320, 34600, 37368, 38925, 39150, 40136, 45153, 46710, 46980, 50170, 51900, 52200, 56052, 58725, 60204, 62280, 70065, 75255, 77850, 78300, 90306, 93420, 93960, 100340, 103800, 112104, 116775, 117450, 120408, 125425, 135459, 140130, 150510, 155700, 156600, 180612, 186840, 200680, 225765, 233550, 234900, 250850, 270918, 280260, 301020, 311400, 350325, 361224, 376275, 406377, 451530, 467100, 469800, 501700, 541836, 560520, 602040, 677295, 700650, 752550, 812754, 903060, 934200, 1003400, 1083672, 1128825, 1354590, 1401300, 1505100, 1625508, 1806120, 2031885, 2257650, 2709180, 2802600, 3010200, 3251016, 3386475, 4063770, 4515300, 5418360, 6772950, 8127540, 9030600, 10159425, 13545900, 16255080, 20318850, 27091800, 40637700, 81275400]

約数ペア:

[(1, 81275400), (2, 40637700), (3, 27091800), (4, 20318850), (5, 16255080), (6, 13545900), (8, 10159425), (9, 9030600), (10, 8127540), (12, 6772950), (15, 5418360), (18, 4515300), (20, 4063770), (24, 3386475), (25, 3251016), (27, 3010200), (29, 2802600), (30, 2709180), (36, 2257650), (40, 2031885), (45, 1806120), (50, 1625508), (54, 1505100), (58, 1401300), (60, 1354590), (72, 1128825), (75, 1083672), (81, 1003400), (87, 934200), (90, 903060), (100, 812754), (108, 752550), (116, 700650), (120, 677295), (135, 602040), (145, 560520), (150, 541836), (162, 501700), (173, 469800), (174, 467100), (180, 451530), (200, 406377), (216, 376275), (225, 361224), (232, 350325), (261, 311400), (270, 301020), (290, 280260), (300, 270918), (324, 250850), (346, 234900), (348, 233550), (360, 225765), (405, 200680), (435, 186840), (450, 180612), (519, 156600), (522, 155700), (540, 150510), (580, 140130), (600, 135459), (648, 125425), (675, 120408), (692, 117450), (696, 116775), (725, 112104), (783, 103800), (810, 100340), (865, 93960), (870, 93420), (900, 90306), (1038, 78300), (1044, 77850), (1080, 75255), (1160, 70065), (1305, 62280), (1350, 60204), (1384, 58725), (1450, 56052), (1557, 52200), (1566, 51900), (1620, 50170), (1730, 46980), (1740, 46710), (1800, 45153), (2025, 40136), (2076, 39150), (2088, 38925), (2175, 37368), (2349, 34600), (2595, 31320), (2610, 31140), (2700, 30102), (2900, 28026), (3114, 26100), (3132, 25950), (3240, 25085), (3460, 23490), (3480, 23355), (3915, 20760), (4050, 20068), (4152, 19575), (4325, 18792), (4350, 18684), (4671, 17400), (4698, 17300), (5017, 16200), (5190, 15660), (5220, 15570), (5400, 15051), (5800, 14013), (6228, 13050), (6264, 12975), (6525, 12456), (6920, 11745), (7785, 10440), (7830, 10380), (8100, 10034), (8650, 9396), (8700, 9342)]