20155535360

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:712

約数の個数: 208

約数和(自身を含む): 50954572800

約数和(自身を除く): 30799037440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 155, 160, 212, 248, 256, 265, 310, 320, 424, 496, 512, 530, 599, 620, 640, 848, 992, 1024, 1060, 1198, 1240, 1280, 1643, 1696, 1984, 2048, 2120, 2396, 2480, 2560, 2995, 3286, 3392, 3968, 4096, 4240, 4792, 4960, 5120, 5990, 6572, 6784, 7936, 8215, 8480, 9584, 9920, 10240, 11980, 13144, 13568, 15872, 16430, 16960, 18569, 19168, 19840, 20480, 23960, 26288, 27136, 31744, 31747, 32860, 33920, 37138, 38336, 39680, 47920, 52576, 54272, 63488, 63494, 65720, 67840, 74276, 76672, 79360, 92845, 95840, 105152, 108544, 126976, 126988, 131440, 135680, 148552, 153344, 158720, 158735, 185690, 191680, 210304, 217088, 253976, 262880, 271360, 297104, 306688, 317440, 317470, 371380, 383360, 420608, 507952, 525760, 542720, 594208, 613376, 634880, 634940, 742760, 766720, 841216, 984157, 1015904, 1051520, 1085440, 1188416, 1226752, 1269880, 1485520, 1533440, 1682432, 1968314, 2031808, 2103040, 2376832, 2453504, 2539760, 2971040, 3066880, 3364864, 3936628, 4063616, 4206080, 4753664, 4920785, 5079520, 5942080, 6133760, 6729728, 7873256, 8127232, 8412160, 9507328, 9841570, 10159040, 11884160, 12267520, 15746512, 16254464, 16824320, 19014656, 19683140, 20318080, 23768320, 31493024, 32508928, 33648640, 38029312, 39366280, 40636160, 47536640, 62986048, 65017856, 76058624, 78732560, 81272320, 95073280, 125972096, 130035712, 157465120, 162544640, 190146560, 251944192, 314930240, 325089280, 380293120, 503888384, 629860480, 650178560, 1007776768, 1259720960, 2015553536, 2519441920, 4031107072, 5038883840, 10077767680, 20155535360]

約数ペア:

[(1, 20155535360), (2, 10077767680), (4, 5038883840), (5, 4031107072), (8, 2519441920), (10, 2015553536), (16, 1259720960), (20, 1007776768), (31, 650178560), (32, 629860480), (40, 503888384), (53, 380293120), (62, 325089280), (64, 314930240), (80, 251944192), (106, 190146560), (124, 162544640), (128, 157465120), (155, 130035712), (160, 125972096), (212, 95073280), (248, 81272320), (256, 78732560), (265, 76058624), (310, 65017856), (320, 62986048), (424, 47536640), (496, 40636160), (512, 39366280), (530, 38029312), (599, 33648640), (620, 32508928), (640, 31493024), (848, 23768320), (992, 20318080), (1024, 19683140), (1060, 19014656), (1198, 16824320), (1240, 16254464), (1280, 15746512), (1643, 12267520), (1696, 11884160), (1984, 10159040), (2048, 9841570), (2120, 9507328), (2396, 8412160), (2480, 8127232), (2560, 7873256), (2995, 6729728), (3286, 6133760), (3392, 5942080), (3968, 5079520), (4096, 4920785), (4240, 4753664), (4792, 4206080), (4960, 4063616), (5120, 3936628), (5990, 3364864), (6572, 3066880), (6784, 2971040), (7936, 2539760), (8215, 2453504), (8480, 2376832), (9584, 2103040), (9920, 2031808), (10240, 1968314), (11980, 1682432), (13144, 1533440), (13568, 1485520), (15872, 1269880), (16430, 1226752), (16960, 1188416), (18569, 1085440), (19168, 1051520), (19840, 1015904), (20480, 984157), (23960, 841216), (26288, 766720), (27136, 742760), (31744, 634940), (31747, 634880), (32860, 613376), (33920, 594208), (37138, 542720), (38336, 525760), (39680, 507952), (47920, 420608), (52576, 383360), (54272, 371380), (63488, 317470), (63494, 317440), (65720, 306688), (67840, 297104), (74276, 271360), (76672, 262880), (79360, 253976), (92845, 217088), (95840, 210304), (105152, 191680), (108544, 185690), (126976, 158735), (126988, 158720), (131440, 153344), (135680, 148552)]