1305900000

素因数分解:

$2^5\times 3^2\times 5^5\times {\mathrm{1451}}^1$

素因数の和:1492

約数の個数: 216

約数和(自身を含む): 4644968328

約数和(自身を除く): 3339068328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 200, 225, 240, 250, 288, 300, 360, 375, 400, 450, 480, 500, 600, 625, 720, 750, 800, 900, 1000, 1125, 1200, 1250, 1440, 1451, 1500, 1800, 1875, 2000, 2250, 2400, 2500, 2902, 3000, 3125, 3600, 3750, 4000, 4353, 4500, 5000, 5625, 5804, 6000, 6250, 7200, 7255, 7500, 8706, 9000, 9375, 10000, 11250, 11608, 12000, 12500, 13059, 14510, 15000, 17412, 18000, 18750, 20000, 21765, 22500, 23216, 25000, 26118, 28125, 29020, 30000, 34824, 36000, 36275, 37500, 43530, 45000, 46432, 50000, 52236, 56250, 58040, 60000, 65295, 69648, 72550, 75000, 87060, 90000, 100000, 104472, 108825, 112500, 116080, 130590, 139296, 145100, 150000, 174120, 180000, 181375, 208944, 217650, 225000, 232160, 261180, 290200, 300000, 326475, 348240, 362750, 417888, 435300, 450000, 522360, 544125, 580400, 652950, 696480, 725500, 870600, 900000, 906875, 1044720, 1088250, 1160800, 1305900, 1451000, 1632375, 1741200, 1813750, 2089440, 2176500, 2611800, 2720625, 2902000, 3264750, 3482400, 3627500, 4353000, 4534375, 5223600, 5441250, 5804000, 6529500, 7255000, 8161875, 8706000, 9068750, 10447200, 10882500, 13059000, 13603125, 14510000, 16323750, 17412000, 18137500, 21765000, 26118000, 27206250, 29020000, 32647500, 36275000, 40809375, 43530000, 52236000, 54412500, 65295000, 72550000, 81618750, 87060000, 108825000, 130590000, 145100000, 163237500, 217650000, 261180000, 326475000, 435300000, 652950000, 1305900000]

約数ペア:

[(1, 1305900000), (2, 652950000), (3, 435300000), (4, 326475000), (5, 261180000), (6, 217650000), (8, 163237500), (9, 145100000), (10, 130590000), (12, 108825000), (15, 87060000), (16, 81618750), (18, 72550000), (20, 65295000), (24, 54412500), (25, 52236000), (30, 43530000), (32, 40809375), (36, 36275000), (40, 32647500), (45, 29020000), (48, 27206250), (50, 26118000), (60, 21765000), (72, 18137500), (75, 17412000), (80, 16323750), (90, 14510000), (96, 13603125), (100, 13059000), (120, 10882500), (125, 10447200), (144, 9068750), (150, 8706000), (160, 8161875), (180, 7255000), (200, 6529500), (225, 5804000), (240, 5441250), (250, 5223600), (288, 4534375), (300, 4353000), (360, 3627500), (375, 3482400), (400, 3264750), (450, 2902000), (480, 2720625), (500, 2611800), (600, 2176500), (625, 2089440), (720, 1813750), (750, 1741200), (800, 1632375), (900, 1451000), (1000, 1305900), (1125, 1160800), (1200, 1088250), (1250, 1044720), (1440, 906875), (1451, 900000), (1500, 870600), (1800, 725500), (1875, 696480), (2000, 652950), (2250, 580400), (2400, 544125), (2500, 522360), (2902, 450000), (3000, 435300), (3125, 417888), (3600, 362750), (3750, 348240), (4000, 326475), (4353, 300000), (4500, 290200), (5000, 261180), (5625, 232160), (5804, 225000), (6000, 217650), (6250, 208944), (7200, 181375), (7255, 180000), (7500, 174120), (8706, 150000), (9000, 145100), (9375, 139296), (10000, 130590), (11250, 116080), (11608, 112500), (12000, 108825), (12500, 104472), (13059, 100000), (14510, 90000), (15000, 87060), (17412, 75000), (18000, 72550), (18750, 69648), (20000, 65295), (21765, 60000), (22500, 58040), (23216, 56250), (25000, 52236), (26118, 50000), (28125, 46432), (29020, 45000), (30000, 43530), (34824, 37500), (36000, 36275)]