66803940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 240

約数和(自身を含む): 246863232

約数和(自身を除く): 180059292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 81, 84, 86, 90, 105, 108, 126, 129, 135, 137, 140, 162, 172, 180, 189, 210, 215, 252, 258, 270, 274, 301, 315, 324, 378, 387, 405, 411, 420, 430, 516, 540, 548, 567, 602, 630, 645, 685, 756, 774, 810, 822, 860, 903, 945, 959, 1134, 1161, 1204, 1233, 1260, 1290, 1370, 1505, 1548, 1620, 1644, 1806, 1890, 1918, 1935, 2055, 2268, 2322, 2466, 2580, 2709, 2740, 2835, 2877, 3010, 3483, 3612, 3699, 3780, 3836, 3870, 4110, 4515, 4644, 4795, 4932, 5418, 5670, 5754, 5805, 5891, 6020, 6165, 6966, 7398, 7740, 8127, 8220, 8631, 9030, 9590, 10836, 11097, 11340, 11508, 11610, 11782, 12330, 13545, 13932, 14385, 14796, 16254, 17262, 17415, 17673, 18060, 18495, 19180, 22194, 23220, 23564, 24381, 24660, 25893, 27090, 28770, 29455, 32508, 34524, 34830, 35346, 36990, 40635, 41237, 43155, 44388, 48762, 51786, 53019, 54180, 55485, 57540, 58910, 69660, 70692, 73980, 77679, 81270, 82474, 86310, 88365, 97524, 103572, 106038, 110970, 117820, 121905, 123711, 129465, 155358, 159057, 162540, 164948, 172620, 176730, 206185, 212076, 221940, 243810, 247422, 258930, 265095, 310716, 318114, 353460, 371133, 388395, 412370, 477171, 487620, 494844, 517860, 530190, 618555, 636228, 742266, 776790, 795285, 824740, 954342, 1060380, 1113399, 1237110, 1484532, 1553580, 1590570, 1855665, 1908684, 2226798, 2385855, 2474220, 3181140, 3340197, 3711330, 4453596, 4771710, 5566995, 6680394, 7422660, 9543420, 11133990, 13360788, 16700985, 22267980, 33401970, 66803940]

約数ペア:

[(1, 66803940), (2, 33401970), (3, 22267980), (4, 16700985), (5, 13360788), (6, 11133990), (7, 9543420), (9, 7422660), (10, 6680394), (12, 5566995), (14, 4771710), (15, 4453596), (18, 3711330), (20, 3340197), (21, 3181140), (27, 2474220), (28, 2385855), (30, 2226798), (35, 1908684), (36, 1855665), (42, 1590570), (43, 1553580), (45, 1484532), (54, 1237110), (60, 1113399), (63, 1060380), (70, 954342), (81, 824740), (84, 795285), (86, 776790), (90, 742266), (105, 636228), (108, 618555), (126, 530190), (129, 517860), (135, 494844), (137, 487620), (140, 477171), (162, 412370), (172, 388395), (180, 371133), (189, 353460), (210, 318114), (215, 310716), (252, 265095), (258, 258930), (270, 247422), (274, 243810), (301, 221940), (315, 212076), (324, 206185), (378, 176730), (387, 172620), (405, 164948), (411, 162540), (420, 159057), (430, 155358), (516, 129465), (540, 123711), (548, 121905), (567, 117820), (602, 110970), (630, 106038), (645, 103572), (685, 97524), (756, 88365), (774, 86310), (810, 82474), (822, 81270), (860, 77679), (903, 73980), (945, 70692), (959, 69660), (1134, 58910), (1161, 57540), (1204, 55485), (1233, 54180), (1260, 53019), (1290, 51786), (1370, 48762), (1505, 44388), (1548, 43155), (1620, 41237), (1644, 40635), (1806, 36990), (1890, 35346), (1918, 34830), (1935, 34524), (2055, 32508), (2268, 29455), (2322, 28770), (2466, 27090), (2580, 25893), (2709, 24660), (2740, 24381), (2835, 23564), (2877, 23220), (3010, 22194), (3483, 19180), (3612, 18495), (3699, 18060), (3780, 17673), (3836, 17415), (3870, 17262), (4110, 16254), (4515, 14796), (4644, 14385), (4795, 13932), (4932, 13545), (5418, 12330), (5670, 11782), (5754, 11610), (5805, 11508), (5891, 11340), (6020, 11097), (6165, 10836), (6966, 9590), (7398, 9030), (7740, 8631), (8127, 8220)]