1781961840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2753}}^1$

素因数の和:2832

約数の個数: 240

約数和(自身を含む): 6392805120

約数和(自身を除く): 4610843280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 116, 120, 124, 144, 145, 155, 174, 180, 186, 232, 240, 248, 261, 279, 290, 310, 348, 360, 372, 435, 464, 465, 496, 522, 558, 580, 620, 696, 720, 744, 870, 899, 930, 1044, 1116, 1160, 1240, 1305, 1392, 1395, 1488, 1740, 1798, 1860, 2088, 2232, 2320, 2480, 2610, 2697, 2753, 2790, 3480, 3596, 3720, 4176, 4464, 4495, 5220, 5394, 5506, 5580, 6960, 7192, 7440, 8091, 8259, 8990, 10440, 10788, 11012, 11160, 13485, 13765, 14384, 16182, 16518, 17980, 20880, 21576, 22024, 22320, 24777, 26970, 27530, 32364, 33036, 35960, 40455, 41295, 43152, 44048, 49554, 53940, 55060, 64728, 66072, 71920, 79837, 80910, 82590, 85343, 99108, 107880, 110120, 123885, 129456, 132144, 159674, 161820, 165180, 170686, 198216, 215760, 220240, 239511, 247770, 256029, 319348, 323640, 330360, 341372, 396432, 399185, 426715, 479022, 495540, 512058, 638696, 647280, 660720, 682744, 718533, 768087, 798370, 853430, 958044, 991080, 1024116, 1197555, 1277392, 1280145, 1365488, 1437066, 1536174, 1596740, 1706860, 1916088, 1982160, 2048232, 2395110, 2474947, 2560290, 2874132, 3072348, 3193480, 3413720, 3592665, 3832176, 3840435, 4096464, 4790220, 4949894, 5120580, 5748264, 6144696, 6386960, 6827440, 7185330, 7424841, 7680870, 9580440, 9899788, 10241160, 11496528, 12289392, 12374735, 14370660, 14849682, 15361740, 19160880, 19799576, 20482320, 22274523, 24749470, 28741320, 29699364, 30723480, 37124205, 39599152, 44549046, 49498940, 57482640, 59398728, 61446960, 74248410, 89098092, 98997880, 111372615, 118797456, 148496820, 178196184, 197995760, 222745230, 296993640, 356392368, 445490460, 593987280, 890980920, 1781961840]

約数ペア:

[(1, 1781961840), (2, 890980920), (3, 593987280), (4, 445490460), (5, 356392368), (6, 296993640), (8, 222745230), (9, 197995760), (10, 178196184), (12, 148496820), (15, 118797456), (16, 111372615), (18, 98997880), (20, 89098092), (24, 74248410), (29, 61446960), (30, 59398728), (31, 57482640), (36, 49498940), (40, 44549046), (45, 39599152), (48, 37124205), (58, 30723480), (60, 29699364), (62, 28741320), (72, 24749470), (80, 22274523), (87, 20482320), (90, 19799576), (93, 19160880), (116, 15361740), (120, 14849682), (124, 14370660), (144, 12374735), (145, 12289392), (155, 11496528), (174, 10241160), (180, 9899788), (186, 9580440), (232, 7680870), (240, 7424841), (248, 7185330), (261, 6827440), (279, 6386960), (290, 6144696), (310, 5748264), (348, 5120580), (360, 4949894), (372, 4790220), (435, 4096464), (464, 3840435), (465, 3832176), (496, 3592665), (522, 3413720), (558, 3193480), (580, 3072348), (620, 2874132), (696, 2560290), (720, 2474947), (744, 2395110), (870, 2048232), (899, 1982160), (930, 1916088), (1044, 1706860), (1116, 1596740), (1160, 1536174), (1240, 1437066), (1305, 1365488), (1392, 1280145), (1395, 1277392), (1488, 1197555), (1740, 1024116), (1798, 991080), (1860, 958044), (2088, 853430), (2232, 798370), (2320, 768087), (2480, 718533), (2610, 682744), (2697, 660720), (2753, 647280), (2790, 638696), (3480, 512058), (3596, 495540), (3720, 479022), (4176, 426715), (4464, 399185), (4495, 396432), (5220, 341372), (5394, 330360), (5506, 323640), (5580, 319348), (6960, 256029), (7192, 247770), (7440, 239511), (8091, 220240), (8259, 215760), (8990, 198216), (10440, 170686), (10788, 165180), (11012, 161820), (11160, 159674), (13485, 132144), (13765, 129456), (14384, 123885), (16182, 110120), (16518, 107880), (17980, 99108), (20880, 85343), (21576, 82590), (22024, 80910), (22320, 79837), (24777, 71920), (26970, 66072), (27530, 64728), (32364, 55060), (33036, 53940), (35960, 49554), (40455, 44048), (41295, 43152)]