278168580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 936714240

約数和(自身を除く): 658545660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 31, 36, 45, 54, 58, 60, 62, 81, 87, 90, 93, 108, 116, 124, 135, 145, 155, 162, 174, 180, 186, 191, 261, 270, 279, 290, 310, 324, 348, 372, 382, 405, 435, 465, 522, 540, 558, 573, 580, 620, 764, 783, 810, 837, 870, 899, 930, 955, 1044, 1116, 1146, 1305, 1395, 1566, 1620, 1674, 1719, 1740, 1798, 1860, 1910, 2292, 2349, 2511, 2610, 2697, 2790, 2865, 3132, 3348, 3438, 3596, 3820, 3915, 4185, 4495, 4698, 5022, 5157, 5220, 5394, 5539, 5580, 5730, 5921, 6876, 7830, 8091, 8370, 8595, 8990, 9396, 10044, 10314, 10788, 11078, 11460, 11745, 11842, 12555, 13485, 15471, 15660, 16182, 16617, 16740, 17190, 17763, 17980, 20628, 22156, 23490, 23684, 24273, 25110, 25785, 26970, 27695, 29605, 30942, 32364, 33234, 34380, 35526, 40455, 46980, 48546, 49851, 50220, 51570, 53289, 53940, 55390, 59210, 61884, 66468, 71052, 72819, 77355, 80910, 83085, 88815, 97092, 99702, 103140, 106578, 110780, 118420, 121365, 145638, 149553, 154710, 159867, 161820, 166170, 171709, 177630, 199404, 213156, 242730, 249255, 266445, 291276, 299106, 309420, 319734, 332340, 343418, 355260, 364095, 448659, 479601, 485460, 498510, 515127, 532890, 598212, 639468, 686836, 728190, 747765, 799335, 858545, 897318, 959202, 997020, 1030254, 1065780, 1456380, 1495530, 1545381, 1598670, 1717090, 1794636, 1918404, 2060508, 2243295, 2398005, 2575635, 2991060, 3090762, 3197340, 3434180, 4486590, 4636143, 4796010, 5151270, 6181524, 7726905, 8973180, 9272286, 9592020, 10302540, 13908429, 15453810, 18544572, 23180715, 27816858, 30907620, 46361430, 55633716, 69542145, 92722860, 139084290, 278168580]

約数ペア:

[(1, 278168580), (2, 139084290), (3, 92722860), (4, 69542145), (5, 55633716), (6, 46361430), (9, 30907620), (10, 27816858), (12, 23180715), (15, 18544572), (18, 15453810), (20, 13908429), (27, 10302540), (29, 9592020), (30, 9272286), (31, 8973180), (36, 7726905), (45, 6181524), (54, 5151270), (58, 4796010), (60, 4636143), (62, 4486590), (81, 3434180), (87, 3197340), (90, 3090762), (93, 2991060), (108, 2575635), (116, 2398005), (124, 2243295), (135, 2060508), (145, 1918404), (155, 1794636), (162, 1717090), (174, 1598670), (180, 1545381), (186, 1495530), (191, 1456380), (261, 1065780), (270, 1030254), (279, 997020), (290, 959202), (310, 897318), (324, 858545), (348, 799335), (372, 747765), (382, 728190), (405, 686836), (435, 639468), (465, 598212), (522, 532890), (540, 515127), (558, 498510), (573, 485460), (580, 479601), (620, 448659), (764, 364095), (783, 355260), (810, 343418), (837, 332340), (870, 319734), (899, 309420), (930, 299106), (955, 291276), (1044, 266445), (1116, 249255), (1146, 242730), (1305, 213156), (1395, 199404), (1566, 177630), (1620, 171709), (1674, 166170), (1719, 161820), (1740, 159867), (1798, 154710), (1860, 149553), (1910, 145638), (2292, 121365), (2349, 118420), (2511, 110780), (2610, 106578), (2697, 103140), (2790, 99702), (2865, 97092), (3132, 88815), (3348, 83085), (3438, 80910), (3596, 77355), (3820, 72819), (3915, 71052), (4185, 66468), (4495, 61884), (4698, 59210), (5022, 55390), (5157, 53940), (5220, 53289), (5394, 51570), (5539, 50220), (5580, 49851), (5730, 48546), (5921, 46980), (6876, 40455), (7830, 35526), (8091, 34380), (8370, 33234), (8595, 32364), (8990, 30942), (9396, 29605), (10044, 27695), (10314, 26970), (10788, 25785), (11078, 25110), (11460, 24273), (11745, 23684), (11842, 23490), (12555, 22156), (13485, 20628), (15471, 17980), (15660, 17763), (16182, 17190), (16617, 16740)]