20386234880

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 320

約数和(自身を含む): 55785286656

約数和(自身を除く): 35399051776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 128, 155, 160, 176, 193, 220, 242, 248, 256, 310, 320, 341, 352, 386, 440, 484, 496, 512, 605, 620, 640, 682, 704, 772, 880, 965, 968, 992, 1210, 1240, 1280, 1331, 1364, 1408, 1544, 1705, 1760, 1930, 1936, 1984, 2123, 2420, 2480, 2560, 2662, 2728, 2816, 3088, 3410, 3520, 3751, 3860, 3872, 3968, 4246, 4840, 4960, 5324, 5456, 5632, 5983, 6176, 6655, 6820, 7040, 7502, 7720, 7744, 7936, 8492, 9680, 9920, 10615, 10648, 10912, 11966, 12352, 13310, 13640, 14080, 15004, 15440, 15488, 15872, 16984, 18755, 19360, 19840, 21230, 21296, 21824, 23353, 23932, 24704, 26620, 27280, 28160, 29915, 30008, 30880, 30976, 33968, 37510, 38720, 39680, 41261, 42460, 42592, 43648, 46706, 47864, 49408, 53240, 54560, 59830, 60016, 61760, 61952, 65813, 67936, 75020, 77440, 79360, 82522, 84920, 85184, 87296, 93412, 95728, 98816, 106480, 109120, 116765, 119660, 120032, 123520, 131626, 135872, 150040, 154880, 165044, 169840, 170368, 174592, 186824, 191456, 206305, 212960, 218240, 233530, 239320, 240064, 247040, 256883, 263252, 271744, 300080, 309760, 329065, 330088, 339680, 340736, 373648, 382912, 412610, 425920, 436480, 467060, 478640, 480128, 494080, 513766, 526504, 543488, 600160, 658130, 660176, 679360, 681472, 723943, 747296, 765824, 825220, 851840, 872960, 934120, 957280, 960256, 1027532, 1053008, 1086976, 1200320, 1284415, 1316260, 1320352, 1358720, 1447886, 1494592, 1531648, 1650440, 1703680, 1868240, 1914560, 1920512, 2055064, 2106016, 2400640, 2568830, 2632520, 2640704, 2717440, 2895772, 2989184, 3063296, 3300880, 3407360, 3619715, 3736480, 3829120, 4110128, 4212032, 4801280, 5137660, 5265040, 5281408, 5434880, 5791544, 5978368, 6601760, 7239430, 7472960, 7658240, 7963373, 8220256, 8424064, 9602560, 10275320, 10530080, 10562816, 11583088, 11956736, 13203520, 14478860, 14945920, 15316480, 15926746, 16440512, 16848128, 20550640, 21060160, 21125632, 23166176, 26407040, 28957720, 29891840, 31853492, 32881024, 33696256, 39816865, 41101280, 42120320, 46332352, 52814080, 57915440, 59783680, 63706984, 65762048, 79633730, 82202560, 84240640, 92664704, 105628160, 115830880, 127413968, 131524096, 159267460, 164405120, 168481280, 185329408, 231661760, 254827936, 318534920, 328810240, 370658816, 463323520, 509655872, 637069840, 657620480, 926647040, 1019311744, 1274139680, 1853294080, 2038623488, 2548279360, 4077246976, 5096558720, 10193117440, 20386234880]

約数ペア:

[(1, 20386234880), (2, 10193117440), (4, 5096558720), (5, 4077246976), (8, 2548279360), (10, 2038623488), (11, 1853294080), (16, 1274139680), (20, 1019311744), (22, 926647040), (31, 657620480), (32, 637069840), (40, 509655872), (44, 463323520), (55, 370658816), (62, 328810240), (64, 318534920), (80, 254827936), (88, 231661760), (110, 185329408), (121, 168481280), (124, 164405120), (128, 159267460), (155, 131524096), (160, 127413968), (176, 115830880), (193, 105628160), (220, 92664704), (242, 84240640), (248, 82202560), (256, 79633730), (310, 65762048), (320, 63706984), (341, 59783680), (352, 57915440), (386, 52814080), (440, 46332352), (484, 42120320), (496, 41101280), (512, 39816865), (605, 33696256), (620, 32881024), (640, 31853492), (682, 29891840), (704, 28957720), (772, 26407040), (880, 23166176), (965, 21125632), (968, 21060160), (992, 20550640), (1210, 16848128), (1240, 16440512), (1280, 15926746), (1331, 15316480), (1364, 14945920), (1408, 14478860), (1544, 13203520), (1705, 11956736), (1760, 11583088), (1930, 10562816), (1936, 10530080), (1984, 10275320), (2123, 9602560), (2420, 8424064), (2480, 8220256), (2560, 7963373), (2662, 7658240), (2728, 7472960), (2816, 7239430), (3088, 6601760), (3410, 5978368), (3520, 5791544), (3751, 5434880), (3860, 5281408), (3872, 5265040), (3968, 5137660), (4246, 4801280), (4840, 4212032), (4960, 4110128), (5324, 3829120), (5456, 3736480), (5632, 3619715), (5983, 3407360), (6176, 3300880), (6655, 3063296), (6820, 2989184), (7040, 2895772), (7502, 2717440), (7720, 2640704), (7744, 2632520), (7936, 2568830), (8492, 2400640), (9680, 2106016), (9920, 2055064), (10615, 1920512), (10648, 1914560), (10912, 1868240), (11966, 1703680), (12352, 1650440), (13310, 1531648), (13640, 1494592), (14080, 1447886), (15004, 1358720), (15440, 1320352), (15488, 1316260), (15872, 1284415), (16984, 1200320), (18755, 1086976), (19360, 1053008), (19840, 1027532), (21230, 960256), (21296, 957280), (21824, 934120), (23353, 872960), (23932, 851840), (24704, 825220), (26620, 765824), (27280, 747296), (28160, 723943), (29915, 681472), (30008, 679360), (30880, 660176), (30976, 658130), (33968, 600160), (37510, 543488), (38720, 526504), (39680, 513766), (41261, 494080), (42460, 480128), (42592, 478640), (43648, 467060), (46706, 436480), (47864, 425920), (49408, 412610), (53240, 382912), (54560, 373648), (59830, 340736), (60016, 339680), (61760, 330088), (61952, 329065), (65813, 309760), (67936, 300080), (75020, 271744), (77440, 263252), (79360, 256883), (82522, 247040), (84920, 240064), (85184, 239320), (87296, 233530), (93412, 218240), (95728, 212960), (98816, 206305), (106480, 191456), (109120, 186824), (116765, 174592), (119660, 170368), (120032, 169840), (123520, 165044), (131626, 154880), (135872, 150040)]