71475720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 256

約数和(自身を含む): 248832000

約数和(自身を除く): 177356280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 29, 30, 38, 40, 46, 47, 57, 58, 60, 69, 76, 87, 92, 94, 95, 114, 115, 116, 120, 138, 141, 145, 152, 174, 184, 188, 190, 228, 230, 232, 235, 276, 282, 285, 290, 345, 348, 376, 380, 435, 437, 456, 460, 470, 551, 552, 564, 570, 580, 667, 690, 696, 705, 760, 870, 874, 893, 920, 940, 1081, 1102, 1128, 1140, 1160, 1311, 1334, 1363, 1380, 1410, 1653, 1740, 1748, 1786, 1880, 2001, 2162, 2185, 2204, 2280, 2622, 2668, 2679, 2726, 2755, 2760, 2820, 3243, 3306, 3335, 3480, 3496, 3572, 4002, 4089, 4324, 4370, 4408, 4465, 5244, 5336, 5358, 5405, 5452, 5510, 5640, 6486, 6555, 6612, 6670, 6815, 7144, 8004, 8178, 8265, 8648, 8740, 8930, 10005, 10488, 10716, 10810, 10904, 11020, 12673, 12972, 13110, 13224, 13340, 13395, 13630, 16008, 16215, 16356, 16530, 17480, 17860, 20010, 20445, 20539, 21432, 21620, 22040, 25346, 25897, 25944, 26220, 26680, 26790, 27260, 31349, 32430, 32712, 33060, 35720, 38019, 40020, 40890, 41078, 43240, 50692, 51794, 52440, 53580, 54520, 61617, 62698, 63365, 64860, 66120, 76038, 77691, 80040, 81780, 82156, 94047, 101384, 102695, 103588, 107160, 123234, 125396, 126730, 129485, 129720, 152076, 155382, 156745, 163560, 164312, 188094, 190095, 205390, 207176, 246468, 250792, 253460, 258970, 304152, 308085, 310764, 313490, 376188, 380190, 388455, 410780, 470235, 492936, 506920, 517940, 595631, 616170, 621528, 626980, 752376, 760380, 776910, 821560, 940470, 1035880, 1191262, 1232340, 1253960, 1520760, 1553820, 1786893, 1880940, 2382524, 2464680, 2978155, 3107640, 3573786, 3761880, 4765048, 5956310, 7147572, 8934465, 11912620, 14295144, 17868930, 23825240, 35737860, 71475720]

約数ペア:

[(1, 71475720), (2, 35737860), (3, 23825240), (4, 17868930), (5, 14295144), (6, 11912620), (8, 8934465), (10, 7147572), (12, 5956310), (15, 4765048), (19, 3761880), (20, 3573786), (23, 3107640), (24, 2978155), (29, 2464680), (30, 2382524), (38, 1880940), (40, 1786893), (46, 1553820), (47, 1520760), (57, 1253960), (58, 1232340), (60, 1191262), (69, 1035880), (76, 940470), (87, 821560), (92, 776910), (94, 760380), (95, 752376), (114, 626980), (115, 621528), (116, 616170), (120, 595631), (138, 517940), (141, 506920), (145, 492936), (152, 470235), (174, 410780), (184, 388455), (188, 380190), (190, 376188), (228, 313490), (230, 310764), (232, 308085), (235, 304152), (276, 258970), (282, 253460), (285, 250792), (290, 246468), (345, 207176), (348, 205390), (376, 190095), (380, 188094), (435, 164312), (437, 163560), (456, 156745), (460, 155382), (470, 152076), (551, 129720), (552, 129485), (564, 126730), (570, 125396), (580, 123234), (667, 107160), (690, 103588), (696, 102695), (705, 101384), (760, 94047), (870, 82156), (874, 81780), (893, 80040), (920, 77691), (940, 76038), (1081, 66120), (1102, 64860), (1128, 63365), (1140, 62698), (1160, 61617), (1311, 54520), (1334, 53580), (1363, 52440), (1380, 51794), (1410, 50692), (1653, 43240), (1740, 41078), (1748, 40890), (1786, 40020), (1880, 38019), (2001, 35720), (2162, 33060), (2185, 32712), (2204, 32430), (2280, 31349), (2622, 27260), (2668, 26790), (2679, 26680), (2726, 26220), (2755, 25944), (2760, 25897), (2820, 25346), (3243, 22040), (3306, 21620), (3335, 21432), (3480, 20539), (3496, 20445), (3572, 20010), (4002, 17860), (4089, 17480), (4324, 16530), (4370, 16356), (4408, 16215), (4465, 16008), (5244, 13630), (5336, 13395), (5358, 13340), (5405, 13224), (5452, 13110), (5510, 12972), (5640, 12673), (6486, 11020), (6555, 10904), (6612, 10810), (6670, 10716), (6815, 10488), (7144, 10005), (8004, 8930), (8178, 8740), (8265, 8648)]