78820560

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:443

約数の個数: 320

約数和(自身を含む): 334978560

約数和(自身を除く): 256158000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 312, 315, 336, 351, 360, 364, 378, 390, 401, 420, 432, 455, 468, 504, 520, 540, 546, 560, 585, 624, 630, 702, 720, 728, 756, 780, 802, 819, 840, 910, 936, 945, 1008, 1040, 1080, 1092, 1170, 1203, 1260, 1365, 1404, 1456, 1512, 1560, 1604, 1638, 1680, 1755, 1820, 1872, 1890, 2005, 2160, 2184, 2340, 2406, 2457, 2520, 2730, 2807, 2808, 3024, 3120, 3208, 3276, 3510, 3609, 3640, 3780, 4010, 4095, 4368, 4680, 4812, 4914, 5040, 5213, 5460, 5614, 5616, 6015, 6416, 6552, 7020, 7218, 7280, 7560, 8020, 8190, 8421, 9360, 9624, 9828, 10426, 10827, 10920, 11228, 12030, 12285, 13104, 14035, 14040, 14436, 15120, 15639, 16040, 16380, 16842, 18045, 19248, 19656, 20852, 21654, 21840, 22456, 24060, 24570, 25263, 26065, 28070, 28080, 28872, 31278, 32080, 32760, 33684, 36090, 36491, 39312, 41704, 42105, 43308, 44912, 46917, 48120, 49140, 50526, 52130, 54135, 56140, 57744, 62556, 65520, 67368, 72180, 72982, 75789, 78195, 83408, 84210, 86616, 93834, 96240, 98280, 101052, 104260, 108270, 109473, 112280, 125112, 126315, 134736, 140751, 144360, 145964, 151578, 156390, 168420, 173232, 182455, 187668, 196560, 202104, 208520, 216540, 218946, 224560, 234585, 250224, 252630, 281502, 288720, 291928, 303156, 312780, 328419, 336840, 364910, 375336, 378945, 404208, 417040, 433080, 437892, 469170, 505260, 547365, 563004, 583856, 606312, 625560, 656838, 673680, 703755, 729820, 750672, 757890, 866160, 875784, 938340, 985257, 1010520, 1094730, 1126008, 1212624, 1251120, 1313676, 1407510, 1459640, 1515780, 1642095, 1751568, 1876680, 1970514, 2021040, 2189460, 2252016, 2627352, 2815020, 2919280, 3031560, 3284190, 3753360, 3941028, 4378920, 4926285, 5254704, 5630040, 6063120, 6568380, 7882056, 8757840, 9852570, 11260080, 13136760, 15764112, 19705140, 26273520, 39410280, 78820560]

約数ペア:

[(1, 78820560), (2, 39410280), (3, 26273520), (4, 19705140), (5, 15764112), (6, 13136760), (7, 11260080), (8, 9852570), (9, 8757840), (10, 7882056), (12, 6568380), (13, 6063120), (14, 5630040), (15, 5254704), (16, 4926285), (18, 4378920), (20, 3941028), (21, 3753360), (24, 3284190), (26, 3031560), (27, 2919280), (28, 2815020), (30, 2627352), (35, 2252016), (36, 2189460), (39, 2021040), (40, 1970514), (42, 1876680), (45, 1751568), (48, 1642095), (52, 1515780), (54, 1459640), (56, 1407510), (60, 1313676), (63, 1251120), (65, 1212624), (70, 1126008), (72, 1094730), (78, 1010520), (80, 985257), (84, 938340), (90, 875784), (91, 866160), (104, 757890), (105, 750672), (108, 729820), (112, 703755), (117, 673680), (120, 656838), (126, 625560), (130, 606312), (135, 583856), (140, 563004), (144, 547365), (156, 505260), (168, 469170), (180, 437892), (182, 433080), (189, 417040), (195, 404208), (208, 378945), (210, 375336), (216, 364910), (234, 336840), (240, 328419), (252, 312780), (260, 303156), (270, 291928), (273, 288720), (280, 281502), (312, 252630), (315, 250224), (336, 234585), (351, 224560), (360, 218946), (364, 216540), (378, 208520), (390, 202104), (401, 196560), (420, 187668), (432, 182455), (455, 173232), (468, 168420), (504, 156390), (520, 151578), (540, 145964), (546, 144360), (560, 140751), (585, 134736), (624, 126315), (630, 125112), (702, 112280), (720, 109473), (728, 108270), (756, 104260), (780, 101052), (802, 98280), (819, 96240), (840, 93834), (910, 86616), (936, 84210), (945, 83408), (1008, 78195), (1040, 75789), (1080, 72982), (1092, 72180), (1170, 67368), (1203, 65520), (1260, 62556), (1365, 57744), (1404, 56140), (1456, 54135), (1512, 52130), (1560, 50526), (1604, 49140), (1638, 48120), (1680, 46917), (1755, 44912), (1820, 43308), (1872, 42105), (1890, 41704), (2005, 39312), (2160, 36491), (2184, 36090), (2340, 33684), (2406, 32760), (2457, 32080), (2520, 31278), (2730, 28872), (2807, 28080), (2808, 28070), (3024, 26065), (3120, 25263), (3208, 24570), (3276, 24060), (3510, 22456), (3609, 21840), (3640, 21654), (3780, 20852), (4010, 19656), (4095, 19248), (4368, 18045), (4680, 16842), (4812, 16380), (4914, 16040), (5040, 15639), (5213, 15120), (5460, 14436), (5614, 14040), (5616, 14035), (6015, 13104), (6416, 12285), (6552, 12030), (7020, 11228), (7218, 10920), (7280, 10827), (7560, 10426), (8020, 9828), (8190, 9624), (8421, 9360)]