20728735488

素因数分解:

$2^8\times 3^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:884

約数の個数: 288

約数和(自身を含む): 63458841600

約数和(自身を除く): 42730106112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 86, 96, 97, 108, 128, 129, 144, 172, 192, 194, 216, 256, 258, 288, 291, 344, 384, 387, 388, 432, 516, 576, 582, 688, 719, 768, 774, 776, 864, 873, 1032, 1152, 1161, 1164, 1376, 1438, 1548, 1552, 1728, 1746, 2064, 2157, 2304, 2322, 2328, 2619, 2752, 2876, 3096, 3104, 3456, 3492, 4128, 4171, 4314, 4644, 4656, 5238, 5504, 5752, 6192, 6208, 6471, 6912, 6984, 8256, 8342, 8628, 9288, 9312, 10476, 11008, 11504, 12384, 12416, 12513, 12942, 13968, 16512, 16684, 17256, 18576, 18624, 19413, 20952, 23008, 24768, 24832, 25026, 25884, 27936, 30917, 33024, 33368, 34512, 37152, 37248, 37539, 38826, 41904, 46016, 49536, 50052, 51768, 55872, 61834, 66736, 69024, 69743, 74304, 74496, 75078, 77652, 83808, 92032, 92751, 99072, 100104, 103536, 111744, 112617, 123668, 133472, 138048, 139486, 148608, 150156, 155304, 167616, 184064, 185502, 200208, 207072, 209229, 223488, 225234, 247336, 266944, 276096, 278253, 278972, 297216, 300312, 310608, 335232, 371004, 400416, 414144, 418458, 450468, 494672, 533888, 552192, 556506, 557944, 600624, 621216, 627687, 670464, 742008, 800832, 828288, 834759, 836916, 900936, 989344, 1067776, 1113012, 1115888, 1201248, 1242432, 1255374, 1484016, 1601664, 1656576, 1669518, 1673832, 1801872, 1883061, 1978688, 2226024, 2231776, 2402496, 2484864, 2510748, 2968032, 2998949, 3203328, 3339036, 3347664, 3603744, 3766122, 3957376, 4452048, 4463552, 4804992, 4969728, 5021496, 5936064, 5997898, 6678072, 6695328, 7207488, 7532244, 7914752, 8904096, 8927104, 8996847, 9609984, 10042992, 11872128, 11995796, 13356144, 13390656, 14414976, 15064488, 17808192, 17854208, 17993694, 20085984, 23744256, 23991592, 26712288, 26781312, 26990541, 28829952, 30128976, 35616384, 35987388, 40171968, 47983184, 53424576, 53562624, 53981082, 60257952, 71232768, 71974776, 80343936, 80971623, 95966368, 106849152, 107962164, 120515904, 143949552, 160687872, 161943246, 191932736, 213698304, 215924328, 241031808, 287899104, 323886492, 383865472, 431848656, 482063616, 575798208, 647772984, 767730944, 863697312, 1151596416, 1295545968, 1727394624, 2303192832, 2591091936, 3454789248, 5182183872, 6909578496, 10364367744, 20728735488]

約数ペア:

[(1, 20728735488), (2, 10364367744), (3, 6909578496), (4, 5182183872), (6, 3454789248), (8, 2591091936), (9, 2303192832), (12, 1727394624), (16, 1295545968), (18, 1151596416), (24, 863697312), (27, 767730944), (32, 647772984), (36, 575798208), (43, 482063616), (48, 431848656), (54, 383865472), (64, 323886492), (72, 287899104), (86, 241031808), (96, 215924328), (97, 213698304), (108, 191932736), (128, 161943246), (129, 160687872), (144, 143949552), (172, 120515904), (192, 107962164), (194, 106849152), (216, 95966368), (256, 80971623), (258, 80343936), (288, 71974776), (291, 71232768), (344, 60257952), (384, 53981082), (387, 53562624), (388, 53424576), (432, 47983184), (516, 40171968), (576, 35987388), (582, 35616384), (688, 30128976), (719, 28829952), (768, 26990541), (774, 26781312), (776, 26712288), (864, 23991592), (873, 23744256), (1032, 20085984), (1152, 17993694), (1161, 17854208), (1164, 17808192), (1376, 15064488), (1438, 14414976), (1548, 13390656), (1552, 13356144), (1728, 11995796), (1746, 11872128), (2064, 10042992), (2157, 9609984), (2304, 8996847), (2322, 8927104), (2328, 8904096), (2619, 7914752), (2752, 7532244), (2876, 7207488), (3096, 6695328), (3104, 6678072), (3456, 5997898), (3492, 5936064), (4128, 5021496), (4171, 4969728), (4314, 4804992), (4644, 4463552), (4656, 4452048), (5238, 3957376), (5504, 3766122), (5752, 3603744), (6192, 3347664), (6208, 3339036), (6471, 3203328), (6912, 2998949), (6984, 2968032), (8256, 2510748), (8342, 2484864), (8628, 2402496), (9288, 2231776), (9312, 2226024), (10476, 1978688), (11008, 1883061), (11504, 1801872), (12384, 1673832), (12416, 1669518), (12513, 1656576), (12942, 1601664), (13968, 1484016), (16512, 1255374), (16684, 1242432), (17256, 1201248), (18576, 1115888), (18624, 1113012), (19413, 1067776), (20952, 989344), (23008, 900936), (24768, 836916), (24832, 834759), (25026, 828288), (25884, 800832), (27936, 742008), (30917, 670464), (33024, 627687), (33368, 621216), (34512, 600624), (37152, 557944), (37248, 556506), (37539, 552192), (38826, 533888), (41904, 494672), (46016, 450468), (49536, 418458), (50052, 414144), (51768, 400416), (55872, 371004), (61834, 335232), (66736, 310608), (69024, 300312), (69743, 297216), (74304, 278972), (74496, 278253), (75078, 276096), (77652, 266944), (83808, 247336), (92032, 225234), (92751, 223488), (99072, 209229), (100104, 207072), (103536, 200208), (111744, 185502), (112617, 184064), (123668, 167616), (133472, 155304), (138048, 150156), (139486, 148608)]