64340640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 288

約数和(自身を含む): 270781056

約数和(自身を除く): 206440416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 491, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 982, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1473, 1560, 1638, 1680, 1820, 1872, 1964, 2016, 2080, 2184, 2340, 2455, 2520, 2730, 2912, 2946, 3120, 3276, 3360, 3437, 3640, 3744, 3928, 4095, 4368, 4419, 4680, 4910, 5040, 5460, 5892, 6240, 6383, 6552, 6874, 7280, 7365, 7856, 8190, 8736, 8838, 9360, 9820, 10080, 10311, 10920, 11784, 12766, 13104, 13748, 14560, 14730, 15712, 16380, 17185, 17676, 18720, 19149, 19640, 20622, 21840, 22095, 23568, 25532, 26208, 27496, 29460, 30933, 31915, 32760, 34370, 35352, 38298, 39280, 41244, 43680, 44190, 44681, 47136, 51064, 51555, 54992, 57447, 58920, 61866, 63830, 65520, 68740, 70704, 76596, 78560, 82488, 88380, 89362, 95745, 102128, 103110, 109984, 114894, 117840, 123732, 127660, 131040, 134043, 137480, 141408, 153192, 154665, 164976, 176760, 178724, 191490, 204256, 206220, 223405, 229788, 235680, 247464, 255320, 268086, 274960, 287235, 306384, 309330, 329952, 353520, 357448, 382980, 402129, 412440, 446810, 459576, 494928, 510640, 536172, 549920, 574470, 612768, 618660, 670215, 707040, 714896, 765960, 804258, 824880, 893620, 919152, 989856, 1021280, 1072344, 1148940, 1237320, 1340430, 1429792, 1531920, 1608516, 1649760, 1787240, 1838304, 2010645, 2144688, 2297880, 2474640, 2680860, 3063840, 3217032, 3574480, 4021290, 4289376, 4595760, 4949280, 5361720, 6434064, 7148960, 8042580, 9191520, 10723440, 12868128, 16085160, 21446880, 32170320, 64340640]

約数ペア:

[(1, 64340640), (2, 32170320), (3, 21446880), (4, 16085160), (5, 12868128), (6, 10723440), (7, 9191520), (8, 8042580), (9, 7148960), (10, 6434064), (12, 5361720), (13, 4949280), (14, 4595760), (15, 4289376), (16, 4021290), (18, 3574480), (20, 3217032), (21, 3063840), (24, 2680860), (26, 2474640), (28, 2297880), (30, 2144688), (32, 2010645), (35, 1838304), (36, 1787240), (39, 1649760), (40, 1608516), (42, 1531920), (45, 1429792), (48, 1340430), (52, 1237320), (56, 1148940), (60, 1072344), (63, 1021280), (65, 989856), (70, 919152), (72, 893620), (78, 824880), (80, 804258), (84, 765960), (90, 714896), (91, 707040), (96, 670215), (104, 618660), (105, 612768), (112, 574470), (117, 549920), (120, 536172), (126, 510640), (130, 494928), (140, 459576), (144, 446810), (156, 412440), (160, 402129), (168, 382980), (180, 357448), (182, 353520), (195, 329952), (208, 309330), (210, 306384), (224, 287235), (234, 274960), (240, 268086), (252, 255320), (260, 247464), (273, 235680), (280, 229788), (288, 223405), (312, 206220), (315, 204256), (336, 191490), (360, 178724), (364, 176760), (390, 164976), (416, 154665), (420, 153192), (455, 141408), (468, 137480), (480, 134043), (491, 131040), (504, 127660), (520, 123732), (546, 117840), (560, 114894), (585, 109984), (624, 103110), (630, 102128), (672, 95745), (720, 89362), (728, 88380), (780, 82488), (819, 78560), (840, 76596), (910, 70704), (936, 68740), (982, 65520), (1008, 63830), (1040, 61866), (1092, 58920), (1120, 57447), (1170, 54992), (1248, 51555), (1260, 51064), (1365, 47136), (1440, 44681), (1456, 44190), (1473, 43680), (1560, 41244), (1638, 39280), (1680, 38298), (1820, 35352), (1872, 34370), (1964, 32760), (2016, 31915), (2080, 30933), (2184, 29460), (2340, 27496), (2455, 26208), (2520, 25532), (2730, 23568), (2912, 22095), (2946, 21840), (3120, 20622), (3276, 19640), (3360, 19149), (3437, 18720), (3640, 17676), (3744, 17185), (3928, 16380), (4095, 15712), (4368, 14730), (4419, 14560), (4680, 13748), (4910, 13104), (5040, 12766), (5460, 11784), (5892, 10920), (6240, 10311), (6383, 10080), (6552, 9820), (6874, 9360), (7280, 8838), (7365, 8736), (7856, 8190)]