20246400

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 288

約数和(自身を含む): 78101400

約数和(自身を除く): 57855000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 37, 38, 40, 45, 48, 50, 57, 60, 64, 72, 74, 75, 76, 80, 90, 95, 96, 100, 111, 114, 120, 128, 144, 148, 150, 152, 160, 171, 180, 185, 190, 192, 200, 222, 225, 228, 240, 285, 288, 296, 300, 304, 320, 333, 342, 360, 370, 380, 384, 400, 444, 450, 456, 475, 480, 555, 570, 576, 592, 600, 608, 640, 666, 684, 703, 720, 740, 760, 800, 855, 888, 900, 912, 925, 950, 960, 1110, 1140, 1152, 1184, 1200, 1216, 1332, 1368, 1406, 1425, 1440, 1480, 1520, 1600, 1665, 1710, 1776, 1800, 1824, 1850, 1900, 1920, 2109, 2220, 2280, 2368, 2400, 2432, 2664, 2736, 2775, 2812, 2850, 2880, 2960, 3040, 3200, 3330, 3420, 3515, 3552, 3600, 3648, 3700, 3800, 4218, 4275, 4440, 4560, 4736, 4800, 5328, 5472, 5550, 5624, 5700, 5760, 5920, 6080, 6327, 6660, 6840, 7030, 7104, 7200, 7296, 7400, 7600, 8325, 8436, 8550, 8880, 9120, 9600, 10545, 10656, 10944, 11100, 11248, 11400, 11840, 12160, 12654, 13320, 13680, 14060, 14208, 14400, 14800, 15200, 16650, 16872, 17100, 17575, 17760, 18240, 21090, 21312, 21888, 22200, 22496, 22800, 23680, 25308, 26640, 27360, 28120, 28800, 29600, 30400, 31635, 33300, 33744, 34200, 35150, 35520, 36480, 42180, 42624, 44400, 44992, 45600, 50616, 52725, 53280, 54720, 56240, 59200, 60800, 63270, 66600, 67488, 68400, 70300, 71040, 84360, 88800, 89984, 91200, 101232, 105450, 106560, 109440, 112480, 118400, 126540, 133200, 134976, 136800, 140600, 158175, 168720, 177600, 182400, 202464, 210900, 213120, 224960, 253080, 266400, 269952, 273600, 281200, 316350, 337440, 355200, 404928, 421800, 449920, 506160, 532800, 547200, 562400, 632700, 674880, 809856, 843600, 1012320, 1065600, 1124800, 1265400, 1349760, 1687200, 2024640, 2249600, 2530800, 3374400, 4049280, 5061600, 6748800, 10123200, 20246400]

約数ペア:

[(1, 20246400), (2, 10123200), (3, 6748800), (4, 5061600), (5, 4049280), (6, 3374400), (8, 2530800), (9, 2249600), (10, 2024640), (12, 1687200), (15, 1349760), (16, 1265400), (18, 1124800), (19, 1065600), (20, 1012320), (24, 843600), (25, 809856), (30, 674880), (32, 632700), (36, 562400), (37, 547200), (38, 532800), (40, 506160), (45, 449920), (48, 421800), (50, 404928), (57, 355200), (60, 337440), (64, 316350), (72, 281200), (74, 273600), (75, 269952), (76, 266400), (80, 253080), (90, 224960), (95, 213120), (96, 210900), (100, 202464), (111, 182400), (114, 177600), (120, 168720), (128, 158175), (144, 140600), (148, 136800), (150, 134976), (152, 133200), (160, 126540), (171, 118400), (180, 112480), (185, 109440), (190, 106560), (192, 105450), (200, 101232), (222, 91200), (225, 89984), (228, 88800), (240, 84360), (285, 71040), (288, 70300), (296, 68400), (300, 67488), (304, 66600), (320, 63270), (333, 60800), (342, 59200), (360, 56240), (370, 54720), (380, 53280), (384, 52725), (400, 50616), (444, 45600), (450, 44992), (456, 44400), (475, 42624), (480, 42180), (555, 36480), (570, 35520), (576, 35150), (592, 34200), (600, 33744), (608, 33300), (640, 31635), (666, 30400), (684, 29600), (703, 28800), (720, 28120), (740, 27360), (760, 26640), (800, 25308), (855, 23680), (888, 22800), (900, 22496), (912, 22200), (925, 21888), (950, 21312), (960, 21090), (1110, 18240), (1140, 17760), (1152, 17575), (1184, 17100), (1200, 16872), (1216, 16650), (1332, 15200), (1368, 14800), (1406, 14400), (1425, 14208), (1440, 14060), (1480, 13680), (1520, 13320), (1600, 12654), (1665, 12160), (1710, 11840), (1776, 11400), (1800, 11248), (1824, 11100), (1850, 10944), (1900, 10656), (1920, 10545), (2109, 9600), (2220, 9120), (2280, 8880), (2368, 8550), (2400, 8436), (2432, 8325), (2664, 7600), (2736, 7400), (2775, 7296), (2812, 7200), (2850, 7104), (2880, 7030), (2960, 6840), (3040, 6660), (3200, 6327), (3330, 6080), (3420, 5920), (3515, 5760), (3552, 5700), (3600, 5624), (3648, 5550), (3700, 5472), (3800, 5328), (4218, 4800), (4275, 4736), (4440, 4560)]