21628177920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55219}}^1$

素因数の和:55265

約数の個数: 240

約数和(自身を含む): 79312044240

約数和(自身を除く): 57683866320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1920, 2040, 2176, 2304, 2448, 2560, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4608, 4896, 5440, 5760, 6120, 6528, 7680, 8160, 8704, 9792, 10880, 11520, 12240, 13056, 16320, 19584, 21760, 23040, 24480, 26112, 32640, 39168, 43520, 48960, 55219, 65280, 78336, 97920, 110438, 130560, 165657, 195840, 220876, 276095, 331314, 391680, 441752, 496971, 552190, 662628, 828285, 883504, 938723, 993942, 1104380, 1325256, 1656570, 1767008, 1877446, 1987884, 2208760, 2484855, 2650512, 2816169, 3313140, 3534016, 3754892, 3975768, 4417520, 4693615, 4969710, 5301024, 5632338, 6626280, 7068032, 7509784, 7951536, 8448507, 8835040, 9387230, 9939420, 10602048, 11264676, 13252560, 14080845, 14136064, 15019568, 15903072, 16897014, 17670080, 18774460, 19878840, 21204096, 22529352, 26505120, 28161690, 28272128, 30039136, 31806144, 33794028, 35340160, 37548920, 39757680, 42242535, 42408192, 45058704, 53010240, 56323380, 60078272, 63612288, 67588056, 70680320, 75097840, 79515360, 84485070, 84816384, 90117408, 106020480, 112646760, 120156544, 127224576, 135176112, 141360640, 150195680, 159030720, 168970140, 180234816, 212040960, 225293520, 240313088, 254449152, 270352224, 300391360, 318061440, 337940280, 360469632, 424081920, 450587040, 480626176, 540704448, 600782720, 636122880, 675880560, 720939264, 901174080, 1081408896, 1201565440, 1272245760, 1351761120, 1441878528, 1802348160, 2162817792, 2403130880, 2703522240, 3604696320, 4325635584, 5407044480, 7209392640, 10814088960, 21628177920]

約数ペア:

[(1, 21628177920), (2, 10814088960), (3, 7209392640), (4, 5407044480), (5, 4325635584), (6, 3604696320), (8, 2703522240), (9, 2403130880), (10, 2162817792), (12, 1802348160), (15, 1441878528), (16, 1351761120), (17, 1272245760), (18, 1201565440), (20, 1081408896), (24, 901174080), (30, 720939264), (32, 675880560), (34, 636122880), (36, 600782720), (40, 540704448), (45, 480626176), (48, 450587040), (51, 424081920), (60, 360469632), (64, 337940280), (68, 318061440), (72, 300391360), (80, 270352224), (85, 254449152), (90, 240313088), (96, 225293520), (102, 212040960), (120, 180234816), (128, 168970140), (136, 159030720), (144, 150195680), (153, 141360640), (160, 135176112), (170, 127224576), (180, 120156544), (192, 112646760), (204, 106020480), (240, 90117408), (255, 84816384), (256, 84485070), (272, 79515360), (288, 75097840), (306, 70680320), (320, 67588056), (340, 63612288), (360, 60078272), (384, 56323380), (408, 53010240), (480, 45058704), (510, 42408192), (512, 42242535), (544, 39757680), (576, 37548920), (612, 35340160), (640, 33794028), (680, 31806144), (720, 30039136), (765, 28272128), (768, 28161690), (816, 26505120), (960, 22529352), (1020, 21204096), (1088, 19878840), (1152, 18774460), (1224, 17670080), (1280, 16897014), (1360, 15903072), (1440, 15019568), (1530, 14136064), (1536, 14080845), (1632, 13252560), (1920, 11264676), (2040, 10602048), (2176, 9939420), (2304, 9387230), (2448, 8835040), (2560, 8448507), (2720, 7951536), (2880, 7509784), (3060, 7068032), (3264, 6626280), (3840, 5632338), (4080, 5301024), (4352, 4969710), (4608, 4693615), (4896, 4417520), (5440, 3975768), (5760, 3754892), (6120, 3534016), (6528, 3313140), (7680, 2816169), (8160, 2650512), (8704, 2484855), (9792, 2208760), (10880, 1987884), (11520, 1877446), (12240, 1767008), (13056, 1656570), (16320, 1325256), (19584, 1104380), (21760, 993942), (23040, 938723), (24480, 883504), (26112, 828285), (32640, 662628), (39168, 552190), (43520, 496971), (48960, 441752), (55219, 391680), (65280, 331314), (78336, 276095), (97920, 220876), (110438, 195840), (130560, 165657)]