278827470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 790236720

約数和(自身を除く): 511409250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 41, 45, 57, 82, 90, 95, 97, 114, 123, 171, 190, 194, 205, 246, 285, 291, 342, 369, 410, 485, 570, 582, 615, 738, 779, 855, 873, 970, 1230, 1455, 1558, 1681, 1710, 1746, 1843, 1845, 2337, 2910, 3362, 3686, 3690, 3895, 3977, 4365, 4674, 5043, 5529, 7011, 7790, 7954, 8405, 8730, 9215, 10086, 11058, 11685, 11931, 14022, 15129, 16587, 16810, 18430, 19885, 23370, 23862, 25215, 27645, 30258, 31939, 33174, 35055, 35793, 39770, 50430, 55290, 59655, 63878, 70110, 71586, 75563, 75645, 82935, 95817, 119310, 151126, 151290, 159695, 163057, 165870, 178965, 191634, 226689, 287451, 319390, 326114, 357930, 377815, 453378, 479085, 489171, 574902, 680067, 755630, 815285, 958170, 978342, 1133445, 1360134, 1437255, 1467513, 1630570, 2266890, 2445855, 2874510, 2935026, 3098083, 3400335, 4891710, 6196166, 6800670, 7337565, 9294249, 14675130, 15490415, 18588498, 27882747, 30980830, 46471245, 55765494, 92942490, 139413735, 278827470]

約数ペア:

[(1, 278827470), (2, 139413735), (3, 92942490), (5, 55765494), (6, 46471245), (9, 30980830), (10, 27882747), (15, 18588498), (18, 15490415), (19, 14675130), (30, 9294249), (38, 7337565), (41, 6800670), (45, 6196166), (57, 4891710), (82, 3400335), (90, 3098083), (95, 2935026), (97, 2874510), (114, 2445855), (123, 2266890), (171, 1630570), (190, 1467513), (194, 1437255), (205, 1360134), (246, 1133445), (285, 978342), (291, 958170), (342, 815285), (369, 755630), (410, 680067), (485, 574902), (570, 489171), (582, 479085), (615, 453378), (738, 377815), (779, 357930), (855, 326114), (873, 319390), (970, 287451), (1230, 226689), (1455, 191634), (1558, 178965), (1681, 165870), (1710, 163057), (1746, 159695), (1843, 151290), (1845, 151126), (2337, 119310), (2910, 95817), (3362, 82935), (3686, 75645), (3690, 75563), (3895, 71586), (3977, 70110), (4365, 63878), (4674, 59655), (5043, 55290), (5529, 50430), (7011, 39770), (7790, 35793), (7954, 35055), (8405, 33174), (8730, 31939), (9215, 30258), (10086, 27645), (11058, 25215), (11685, 23862), (11931, 23370), (14022, 19885), (15129, 18430), (16587, 16810)]