21868971120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{5689}}^1$

素因数の和:6008

約数の個数: 240

約数和(自身を含む): 77597488800

約数和(自身を除く): 55728517680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 281, 285, 304, 342, 360, 380, 456, 562, 570, 684, 720, 760, 843, 855, 912, 1124, 1140, 1368, 1405, 1520, 1686, 1710, 2248, 2280, 2529, 2736, 2810, 3372, 3420, 4215, 4496, 4560, 5058, 5339, 5620, 5689, 6744, 6840, 8430, 10116, 10678, 11240, 11378, 12645, 13488, 13680, 16017, 16860, 17067, 20232, 21356, 22480, 22756, 25290, 26695, 28445, 32034, 33720, 34134, 40464, 42712, 45512, 48051, 50580, 51201, 53390, 56890, 64068, 67440, 68268, 80085, 85335, 85424, 91024, 96102, 101160, 102402, 106780, 108091, 113780, 128136, 136536, 160170, 170670, 192204, 202320, 204804, 213560, 216182, 227560, 240255, 256005, 256272, 273072, 320340, 324273, 341340, 384408, 409608, 427120, 432364, 455120, 480510, 512010, 540455, 640680, 648546, 682680, 768816, 819216, 864728, 961020, 972819, 1024020, 1080910, 1281360, 1297092, 1365360, 1598609, 1621365, 1729456, 1922040, 1945638, 2048040, 2161820, 2594184, 3197218, 3242730, 3844080, 3891276, 4096080, 4323640, 4795827, 4864095, 5188368, 6394436, 6485460, 7782552, 7993045, 8647280, 9591654, 9728190, 12788872, 12970920, 14387481, 15565104, 15986090, 19183308, 19456380, 23979135, 25577744, 25941840, 28774962, 30373571, 31972180, 38366616, 38912760, 47958270, 57549924, 60747142, 63944360, 71937405, 76733232, 77825520, 91120713, 95916540, 115099848, 121494284, 127888720, 143874810, 151867855, 182241426, 191833080, 230199696, 242988568, 273362139, 287749620, 303735710, 364482852, 383666160, 455603565, 485977136, 546724278, 575499240, 607471420, 728965704, 911207130, 1093448556, 1150998480, 1214942840, 1366810695, 1457931408, 1822414260, 2186897112, 2429885680, 2733621390, 3644828520, 4373794224, 5467242780, 7289657040, 10934485560, 21868971120]

約数ペア:

[(1, 21868971120), (2, 10934485560), (3, 7289657040), (4, 5467242780), (5, 4373794224), (6, 3644828520), (8, 2733621390), (9, 2429885680), (10, 2186897112), (12, 1822414260), (15, 1457931408), (16, 1366810695), (18, 1214942840), (19, 1150998480), (20, 1093448556), (24, 911207130), (30, 728965704), (36, 607471420), (38, 575499240), (40, 546724278), (45, 485977136), (48, 455603565), (57, 383666160), (60, 364482852), (72, 303735710), (76, 287749620), (80, 273362139), (90, 242988568), (95, 230199696), (114, 191833080), (120, 182241426), (144, 151867855), (152, 143874810), (171, 127888720), (180, 121494284), (190, 115099848), (228, 95916540), (240, 91120713), (281, 77825520), (285, 76733232), (304, 71937405), (342, 63944360), (360, 60747142), (380, 57549924), (456, 47958270), (562, 38912760), (570, 38366616), (684, 31972180), (720, 30373571), (760, 28774962), (843, 25941840), (855, 25577744), (912, 23979135), (1124, 19456380), (1140, 19183308), (1368, 15986090), (1405, 15565104), (1520, 14387481), (1686, 12970920), (1710, 12788872), (2248, 9728190), (2280, 9591654), (2529, 8647280), (2736, 7993045), (2810, 7782552), (3372, 6485460), (3420, 6394436), (4215, 5188368), (4496, 4864095), (4560, 4795827), (5058, 4323640), (5339, 4096080), (5620, 3891276), (5689, 3844080), (6744, 3242730), (6840, 3197218), (8430, 2594184), (10116, 2161820), (10678, 2048040), (11240, 1945638), (11378, 1922040), (12645, 1729456), (13488, 1621365), (13680, 1598609), (16017, 1365360), (16860, 1297092), (17067, 1281360), (20232, 1080910), (21356, 1024020), (22480, 972819), (22756, 961020), (25290, 864728), (26695, 819216), (28445, 768816), (32034, 682680), (33720, 648546), (34134, 640680), (40464, 540455), (42712, 512010), (45512, 480510), (48051, 455120), (50580, 432364), (51201, 427120), (53390, 409608), (56890, 384408), (64068, 341340), (67440, 324273), (68268, 320340), (80085, 273072), (85335, 256272), (85424, 256005), (91024, 240255), (96102, 227560), (101160, 216182), (102402, 213560), (106780, 204804), (108091, 202320), (113780, 192204), (128136, 170670), (136536, 160170)]