251432320

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:121

約数の個数: 256

約数和(自身を含む): 705024000

約数和(自身を除く): 453591680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 29, 31, 32, 38, 40, 46, 58, 62, 64, 76, 80, 92, 95, 115, 116, 124, 128, 145, 152, 155, 160, 184, 190, 230, 232, 248, 290, 304, 310, 320, 368, 380, 437, 460, 464, 496, 551, 580, 589, 608, 620, 640, 667, 713, 736, 760, 874, 899, 920, 928, 992, 1102, 1160, 1178, 1216, 1240, 1334, 1426, 1472, 1520, 1748, 1798, 1840, 1856, 1984, 2185, 2204, 2320, 2356, 2432, 2480, 2668, 2755, 2852, 2944, 2945, 3040, 3335, 3496, 3565, 3596, 3680, 3712, 3968, 4370, 4408, 4495, 4640, 4712, 4960, 5336, 5510, 5704, 5890, 6080, 6670, 6992, 7130, 7192, 7360, 8740, 8816, 8990, 9280, 9424, 9920, 10672, 11020, 11408, 11780, 12160, 12673, 13340, 13547, 13984, 14260, 14384, 14720, 17081, 17480, 17632, 17980, 18560, 18848, 19840, 20677, 21344, 22040, 22816, 23560, 25346, 26680, 27094, 27968, 28520, 28768, 34162, 34960, 35264, 35960, 37696, 41354, 42688, 44080, 45632, 47120, 50692, 53360, 54188, 55936, 57040, 57536, 63365, 67735, 68324, 69920, 70528, 71920, 75392, 82708, 85376, 85405, 88160, 91264, 94240, 101384, 103385, 106720, 108376, 114080, 115072, 126730, 135470, 136648, 139840, 143840, 165416, 170810, 176320, 188480, 202768, 206770, 213440, 216752, 228160, 253460, 270940, 273296, 279680, 287680, 330832, 341620, 352640, 376960, 392863, 405536, 413540, 426880, 433504, 456320, 506920, 541880, 546592, 575360, 661664, 683240, 785726, 811072, 827080, 867008, 1013840, 1083760, 1093184, 1323328, 1366480, 1571452, 1622144, 1654160, 1734016, 1964315, 2027680, 2167520, 2186368, 2646656, 2732960, 3142904, 3308320, 3928630, 4055360, 4335040, 5465920, 6285808, 6616640, 7857260, 8110720, 8670080, 10931840, 12571616, 13233280, 15714520, 25143232, 31429040, 50286464, 62858080, 125716160, 251432320]

約数ペア:

[(1, 251432320), (2, 125716160), (4, 62858080), (5, 50286464), (8, 31429040), (10, 25143232), (16, 15714520), (19, 13233280), (20, 12571616), (23, 10931840), (29, 8670080), (31, 8110720), (32, 7857260), (38, 6616640), (40, 6285808), (46, 5465920), (58, 4335040), (62, 4055360), (64, 3928630), (76, 3308320), (80, 3142904), (92, 2732960), (95, 2646656), (115, 2186368), (116, 2167520), (124, 2027680), (128, 1964315), (145, 1734016), (152, 1654160), (155, 1622144), (160, 1571452), (184, 1366480), (190, 1323328), (230, 1093184), (232, 1083760), (248, 1013840), (290, 867008), (304, 827080), (310, 811072), (320, 785726), (368, 683240), (380, 661664), (437, 575360), (460, 546592), (464, 541880), (496, 506920), (551, 456320), (580, 433504), (589, 426880), (608, 413540), (620, 405536), (640, 392863), (667, 376960), (713, 352640), (736, 341620), (760, 330832), (874, 287680), (899, 279680), (920, 273296), (928, 270940), (992, 253460), (1102, 228160), (1160, 216752), (1178, 213440), (1216, 206770), (1240, 202768), (1334, 188480), (1426, 176320), (1472, 170810), (1520, 165416), (1748, 143840), (1798, 139840), (1840, 136648), (1856, 135470), (1984, 126730), (2185, 115072), (2204, 114080), (2320, 108376), (2356, 106720), (2432, 103385), (2480, 101384), (2668, 94240), (2755, 91264), (2852, 88160), (2944, 85405), (2945, 85376), (3040, 82708), (3335, 75392), (3496, 71920), (3565, 70528), (3596, 69920), (3680, 68324), (3712, 67735), (3968, 63365), (4370, 57536), (4408, 57040), (4495, 55936), (4640, 54188), (4712, 53360), (4960, 50692), (5336, 47120), (5510, 45632), (5704, 44080), (5890, 42688), (6080, 41354), (6670, 37696), (6992, 35960), (7130, 35264), (7192, 34960), (7360, 34162), (8740, 28768), (8816, 28520), (8990, 27968), (9280, 27094), (9424, 26680), (9920, 25346), (10672, 23560), (11020, 22816), (11408, 22040), (11780, 21344), (12160, 20677), (12673, 19840), (13340, 18848), (13547, 18560), (13984, 17980), (14260, 17632), (14384, 17480), (14720, 17081)]