66801280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 256

約数和(自身を含む): 208373760

約数和(自身を除く): 141572480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 37, 40, 52, 56, 62, 64, 65, 70, 74, 80, 91, 104, 112, 124, 128, 130, 140, 148, 155, 160, 182, 185, 208, 217, 224, 248, 259, 260, 280, 296, 310, 320, 364, 370, 403, 416, 434, 448, 455, 481, 496, 518, 520, 560, 592, 620, 640, 728, 740, 806, 832, 868, 896, 910, 962, 992, 1036, 1040, 1085, 1120, 1147, 1184, 1240, 1295, 1456, 1480, 1612, 1664, 1736, 1820, 1924, 1984, 2015, 2072, 2080, 2170, 2240, 2294, 2368, 2405, 2480, 2590, 2821, 2912, 2960, 3224, 3367, 3472, 3640, 3848, 3968, 4030, 4144, 4160, 4340, 4480, 4588, 4736, 4810, 4960, 5180, 5642, 5735, 5824, 5920, 6448, 6734, 6944, 7280, 7696, 8029, 8060, 8288, 8320, 8680, 9176, 9620, 9920, 10360, 11284, 11470, 11648, 11840, 12896, 13468, 13888, 14105, 14560, 14911, 15392, 16058, 16120, 16576, 16835, 17360, 18352, 19240, 19840, 20720, 22568, 22940, 23680, 25792, 26936, 27776, 28210, 29120, 29822, 30784, 32116, 32240, 33152, 33670, 34720, 36704, 38480, 40145, 41440, 45136, 45880, 51584, 53872, 56420, 58240, 59644, 61568, 64232, 64480, 67340, 69440, 73408, 74555, 76960, 80290, 82880, 90272, 91760, 104377, 107744, 112840, 119288, 128464, 128960, 134680, 138880, 146816, 149110, 153920, 160580, 165760, 180544, 183520, 208754, 215488, 225680, 238576, 256928, 257920, 269360, 298220, 307840, 321160, 361088, 367040, 417508, 430976, 451360, 477152, 513856, 521885, 538720, 596440, 642320, 734080, 835016, 902720, 954304, 1027712, 1043770, 1077440, 1192880, 1284640, 1670032, 1805440, 1908608, 2087540, 2154880, 2385760, 2569280, 3340064, 4175080, 4771520, 5138560, 6680128, 8350160, 9543040, 13360256, 16700320, 33400640, 66801280]

約数ペア:

[(1, 66801280), (2, 33400640), (4, 16700320), (5, 13360256), (7, 9543040), (8, 8350160), (10, 6680128), (13, 5138560), (14, 4771520), (16, 4175080), (20, 3340064), (26, 2569280), (28, 2385760), (31, 2154880), (32, 2087540), (35, 1908608), (37, 1805440), (40, 1670032), (52, 1284640), (56, 1192880), (62, 1077440), (64, 1043770), (65, 1027712), (70, 954304), (74, 902720), (80, 835016), (91, 734080), (104, 642320), (112, 596440), (124, 538720), (128, 521885), (130, 513856), (140, 477152), (148, 451360), (155, 430976), (160, 417508), (182, 367040), (185, 361088), (208, 321160), (217, 307840), (224, 298220), (248, 269360), (259, 257920), (260, 256928), (280, 238576), (296, 225680), (310, 215488), (320, 208754), (364, 183520), (370, 180544), (403, 165760), (416, 160580), (434, 153920), (448, 149110), (455, 146816), (481, 138880), (496, 134680), (518, 128960), (520, 128464), (560, 119288), (592, 112840), (620, 107744), (640, 104377), (728, 91760), (740, 90272), (806, 82880), (832, 80290), (868, 76960), (896, 74555), (910, 73408), (962, 69440), (992, 67340), (1036, 64480), (1040, 64232), (1085, 61568), (1120, 59644), (1147, 58240), (1184, 56420), (1240, 53872), (1295, 51584), (1456, 45880), (1480, 45136), (1612, 41440), (1664, 40145), (1736, 38480), (1820, 36704), (1924, 34720), (1984, 33670), (2015, 33152), (2072, 32240), (2080, 32116), (2170, 30784), (2240, 29822), (2294, 29120), (2368, 28210), (2405, 27776), (2480, 26936), (2590, 25792), (2821, 23680), (2912, 22940), (2960, 22568), (3224, 20720), (3367, 19840), (3472, 19240), (3640, 18352), (3848, 17360), (3968, 16835), (4030, 16576), (4144, 16120), (4160, 16058), (4340, 15392), (4480, 14911), (4588, 14560), (4736, 14105), (4810, 13888), (4960, 13468), (5180, 12896), (5642, 11840), (5735, 11648), (5824, 11470), (5920, 11284), (6448, 10360), (6734, 9920), (6944, 9620), (7280, 9176), (7696, 8680), (8029, 8320), (8060, 8288)]