279730360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 256

約数和(自身を含む): 833495040

約数和(自身を除く): 553764680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 37, 40, 52, 56, 62, 65, 67, 70, 74, 91, 104, 124, 130, 134, 140, 148, 155, 182, 185, 217, 248, 259, 260, 268, 280, 296, 310, 335, 364, 370, 403, 434, 455, 469, 481, 518, 520, 536, 620, 670, 728, 740, 806, 868, 871, 910, 938, 962, 1036, 1085, 1147, 1240, 1295, 1340, 1480, 1612, 1736, 1742, 1820, 1876, 1924, 2015, 2072, 2077, 2170, 2294, 2345, 2405, 2479, 2590, 2680, 2821, 3224, 3367, 3484, 3640, 3752, 3848, 4030, 4154, 4340, 4355, 4588, 4690, 4810, 4958, 5180, 5642, 5735, 6097, 6734, 6968, 8029, 8060, 8308, 8680, 8710, 9176, 9380, 9620, 9916, 10360, 10385, 11284, 11470, 12194, 12395, 13468, 14105, 14539, 14911, 16058, 16120, 16616, 16835, 17353, 17420, 18760, 19240, 19832, 20770, 22568, 22940, 24388, 24790, 26936, 27001, 28210, 29078, 29822, 30485, 32116, 32227, 33670, 34706, 34840, 40145, 41540, 45880, 48776, 49580, 54002, 56420, 58156, 59644, 60970, 64232, 64454, 67340, 69412, 72695, 74555, 76849, 80290, 83080, 86765, 99160, 104377, 108004, 112840, 116312, 119288, 121940, 128908, 134680, 135005, 138824, 145390, 149110, 153698, 160580, 161135, 173530, 189007, 208754, 216008, 225589, 243880, 257816, 270010, 290780, 298220, 307396, 321160, 322270, 347060, 378014, 384245, 417508, 451178, 521885, 537943, 540020, 581560, 596440, 614792, 644540, 694120, 756028, 768490, 835016, 902356, 945035, 999037, 1043770, 1075886, 1080040, 1127945, 1289080, 1512056, 1536980, 1804712, 1890070, 1998074, 2087540, 2151772, 2255890, 2689715, 3073960, 3780140, 3996148, 4175080, 4303544, 4511780, 4995185, 5379430, 6993259, 7560280, 7992296, 9023560, 9990370, 10758860, 13986518, 19980740, 21517720, 27973036, 34966295, 39961480, 55946072, 69932590, 139865180, 279730360]

約数ペア:

[(1, 279730360), (2, 139865180), (4, 69932590), (5, 55946072), (7, 39961480), (8, 34966295), (10, 27973036), (13, 21517720), (14, 19980740), (20, 13986518), (26, 10758860), (28, 9990370), (31, 9023560), (35, 7992296), (37, 7560280), (40, 6993259), (52, 5379430), (56, 4995185), (62, 4511780), (65, 4303544), (67, 4175080), (70, 3996148), (74, 3780140), (91, 3073960), (104, 2689715), (124, 2255890), (130, 2151772), (134, 2087540), (140, 1998074), (148, 1890070), (155, 1804712), (182, 1536980), (185, 1512056), (217, 1289080), (248, 1127945), (259, 1080040), (260, 1075886), (268, 1043770), (280, 999037), (296, 945035), (310, 902356), (335, 835016), (364, 768490), (370, 756028), (403, 694120), (434, 644540), (455, 614792), (469, 596440), (481, 581560), (518, 540020), (520, 537943), (536, 521885), (620, 451178), (670, 417508), (728, 384245), (740, 378014), (806, 347060), (868, 322270), (871, 321160), (910, 307396), (938, 298220), (962, 290780), (1036, 270010), (1085, 257816), (1147, 243880), (1240, 225589), (1295, 216008), (1340, 208754), (1480, 189007), (1612, 173530), (1736, 161135), (1742, 160580), (1820, 153698), (1876, 149110), (1924, 145390), (2015, 138824), (2072, 135005), (2077, 134680), (2170, 128908), (2294, 121940), (2345, 119288), (2405, 116312), (2479, 112840), (2590, 108004), (2680, 104377), (2821, 99160), (3224, 86765), (3367, 83080), (3484, 80290), (3640, 76849), (3752, 74555), (3848, 72695), (4030, 69412), (4154, 67340), (4340, 64454), (4355, 64232), (4588, 60970), (4690, 59644), (4810, 58156), (4958, 56420), (5180, 54002), (5642, 49580), (5735, 48776), (6097, 45880), (6734, 41540), (6968, 40145), (8029, 34840), (8060, 34706), (8308, 33670), (8680, 32227), (8710, 32116), (9176, 30485), (9380, 29822), (9620, 29078), (9916, 28210), (10360, 27001), (10385, 26936), (11284, 24790), (11470, 24388), (12194, 22940), (12395, 22568), (13468, 20770), (14105, 19832), (14539, 19240), (14911, 18760), (16058, 17420), (16120, 17353), (16616, 16835)]