1291265940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 192

約数和(自身を含む): 4001937408

約数和(自身を除く): 2710671468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 97, 102, 124, 155, 170, 186, 194, 204, 255, 291, 310, 340, 372, 388, 421, 465, 485, 510, 527, 582, 620, 842, 930, 970, 1020, 1054, 1164, 1263, 1455, 1581, 1649, 1684, 1860, 1940, 2105, 2108, 2526, 2635, 2910, 3007, 3162, 3298, 4210, 4947, 5052, 5270, 5820, 6014, 6315, 6324, 6596, 7157, 7905, 8245, 8420, 9021, 9894, 10540, 12028, 12630, 13051, 14314, 15035, 15810, 16490, 18042, 19788, 21471, 24735, 25260, 26102, 28628, 30070, 31620, 32980, 35785, 36084, 39153, 40837, 42942, 45105, 49470, 51119, 52204, 60140, 65255, 71570, 78306, 81674, 85884, 90210, 98940, 102238, 107355, 122511, 130510, 143140, 153357, 156612, 163348, 180420, 195765, 204185, 204476, 214710, 221867, 245022, 255595, 261020, 306714, 391530, 408370, 429420, 443734, 490044, 511190, 612555, 613428, 665601, 694229, 766785, 783060, 816740, 887468, 1022380, 1109335, 1225110, 1265947, 1331202, 1388458, 1533570, 2082687, 2218670, 2450220, 2531894, 2662404, 2776916, 3067140, 3328005, 3471145, 3797841, 4165374, 4437340, 5063788, 6329735, 6656010, 6942290, 7595682, 8330748, 10413435, 12659470, 13312020, 13884580, 15191364, 18989205, 20826870, 21521099, 25318940, 37978410, 41653740, 43042198, 64563297, 75956820, 86084396, 107605495, 129126594, 215210990, 258253188, 322816485, 430421980, 645632970, 1291265940]

約数ペア:

[(1, 1291265940), (2, 645632970), (3, 430421980), (4, 322816485), (5, 258253188), (6, 215210990), (10, 129126594), (12, 107605495), (15, 86084396), (17, 75956820), (20, 64563297), (30, 43042198), (31, 41653740), (34, 37978410), (51, 25318940), (60, 21521099), (62, 20826870), (68, 18989205), (85, 15191364), (93, 13884580), (97, 13312020), (102, 12659470), (124, 10413435), (155, 8330748), (170, 7595682), (186, 6942290), (194, 6656010), (204, 6329735), (255, 5063788), (291, 4437340), (310, 4165374), (340, 3797841), (372, 3471145), (388, 3328005), (421, 3067140), (465, 2776916), (485, 2662404), (510, 2531894), (527, 2450220), (582, 2218670), (620, 2082687), (842, 1533570), (930, 1388458), (970, 1331202), (1020, 1265947), (1054, 1225110), (1164, 1109335), (1263, 1022380), (1455, 887468), (1581, 816740), (1649, 783060), (1684, 766785), (1860, 694229), (1940, 665601), (2105, 613428), (2108, 612555), (2526, 511190), (2635, 490044), (2910, 443734), (3007, 429420), (3162, 408370), (3298, 391530), (4210, 306714), (4947, 261020), (5052, 255595), (5270, 245022), (5820, 221867), (6014, 214710), (6315, 204476), (6324, 204185), (6596, 195765), (7157, 180420), (7905, 163348), (8245, 156612), (8420, 153357), (9021, 143140), (9894, 130510), (10540, 122511), (12028, 107355), (12630, 102238), (13051, 98940), (14314, 90210), (15035, 85884), (15810, 81674), (16490, 78306), (18042, 71570), (19788, 65255), (21471, 60140), (24735, 52204), (25260, 51119), (26102, 49470), (28628, 45105), (30070, 42942), (31620, 40837), (32980, 39153), (35785, 36084)]