256403520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5277

約数の個数: 168

約数和(自身を含む): 933977304

約数和(自身を除く): 677573784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 612, 680, 720, 765, 816, 960, 1020, 1088, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 2880, 3060, 3264, 4080, 4896, 5237, 5440, 6120, 8160, 9792, 10474, 12240, 15711, 16320, 20948, 24480, 26185, 31422, 41896, 47133, 48960, 52370, 62844, 78555, 83792, 89029, 94266, 104740, 125688, 157110, 167584, 178058, 188532, 209480, 235665, 251376, 267087, 314220, 335168, 356116, 377064, 418960, 445145, 471330, 502752, 534174, 628440, 712232, 754128, 801261, 837920, 890290, 942660, 1005504, 1068348, 1256880, 1335435, 1424464, 1508256, 1602522, 1675840, 1780580, 1885320, 2136696, 2513760, 2670870, 2848928, 3016512, 3205044, 3561160, 3770640, 4006305, 4273392, 5027520, 5341740, 5697856, 6410088, 7122320, 7541280, 8012610, 8546784, 10683480, 12820176, 14244640, 15082560, 16025220, 17093568, 21366960, 25640352, 28489280, 32050440, 42733920, 51280704, 64100880, 85467840, 128201760, 256403520]

約数ペア:

[(1, 256403520), (2, 128201760), (3, 85467840), (4, 64100880), (5, 51280704), (6, 42733920), (8, 32050440), (9, 28489280), (10, 25640352), (12, 21366960), (15, 17093568), (16, 16025220), (17, 15082560), (18, 14244640), (20, 12820176), (24, 10683480), (30, 8546784), (32, 8012610), (34, 7541280), (36, 7122320), (40, 6410088), (45, 5697856), (48, 5341740), (51, 5027520), (60, 4273392), (64, 4006305), (68, 3770640), (72, 3561160), (80, 3205044), (85, 3016512), (90, 2848928), (96, 2670870), (102, 2513760), (120, 2136696), (136, 1885320), (144, 1780580), (153, 1675840), (160, 1602522), (170, 1508256), (180, 1424464), (192, 1335435), (204, 1256880), (240, 1068348), (255, 1005504), (272, 942660), (288, 890290), (306, 837920), (320, 801261), (340, 754128), (360, 712232), (408, 628440), (480, 534174), (510, 502752), (544, 471330), (576, 445145), (612, 418960), (680, 377064), (720, 356116), (765, 335168), (816, 314220), (960, 267087), (1020, 251376), (1088, 235665), (1224, 209480), (1360, 188532), (1440, 178058), (1530, 167584), (1632, 157110), (2040, 125688), (2448, 104740), (2720, 94266), (2880, 89029), (3060, 83792), (3264, 78555), (4080, 62844), (4896, 52370), (5237, 48960), (5440, 47133), (6120, 41896), (8160, 31422), (9792, 26185), (10474, 24480), (12240, 20948), (15711, 16320)]