1277013920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:647

約数の個数: 192

約数和(自身を含む): 3739115520

約数和(自身を除く): 2462101600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 229, 260, 280, 364, 383, 416, 455, 458, 520, 560, 728, 766, 910, 916, 1040, 1120, 1145, 1456, 1532, 1603, 1820, 1832, 1915, 2080, 2290, 2681, 2912, 2977, 3064, 3206, 3640, 3664, 3830, 4580, 4979, 5362, 5954, 6128, 6412, 7280, 7328, 7660, 8015, 9160, 9958, 10724, 11908, 12256, 12824, 13405, 14560, 14885, 15320, 16030, 18320, 19916, 20839, 21448, 23816, 24895, 25648, 26810, 29770, 30640, 32060, 34853, 36640, 39832, 41678, 42896, 47632, 49790, 51296, 53620, 59540, 61280, 64120, 69706, 79664, 83356, 85792, 87707, 95264, 99580, 104195, 107240, 119080, 128240, 139412, 159328, 166712, 174265, 175414, 199160, 208390, 214480, 238160, 256480, 278824, 333424, 348530, 350828, 398320, 416780, 428960, 438535, 476320, 557648, 613949, 666848, 697060, 701656, 796640, 833560, 877070, 1115296, 1140191, 1227898, 1394120, 1403312, 1667120, 1754140, 2280382, 2455796, 2788240, 2806624, 3069745, 3334240, 3508280, 4560764, 4911592, 5576480, 5700955, 6139490, 7016560, 7981337, 9121528, 9823184, 11401910, 12278980, 14033120, 15962674, 18243056, 19646368, 22803820, 24557960, 31925348, 36486112, 39906685, 45607640, 49115920, 63850696, 79813370, 91215280, 98231840, 127701392, 159626740, 182430560, 255402784, 319253480, 638506960, 1277013920]

約数ペア:

[(1, 1277013920), (2, 638506960), (4, 319253480), (5, 255402784), (7, 182430560), (8, 159626740), (10, 127701392), (13, 98231840), (14, 91215280), (16, 79813370), (20, 63850696), (26, 49115920), (28, 45607640), (32, 39906685), (35, 36486112), (40, 31925348), (52, 24557960), (56, 22803820), (65, 19646368), (70, 18243056), (80, 15962674), (91, 14033120), (104, 12278980), (112, 11401910), (130, 9823184), (140, 9121528), (160, 7981337), (182, 7016560), (208, 6139490), (224, 5700955), (229, 5576480), (260, 4911592), (280, 4560764), (364, 3508280), (383, 3334240), (416, 3069745), (455, 2806624), (458, 2788240), (520, 2455796), (560, 2280382), (728, 1754140), (766, 1667120), (910, 1403312), (916, 1394120), (1040, 1227898), (1120, 1140191), (1145, 1115296), (1456, 877070), (1532, 833560), (1603, 796640), (1820, 701656), (1832, 697060), (1915, 666848), (2080, 613949), (2290, 557648), (2681, 476320), (2912, 438535), (2977, 428960), (3064, 416780), (3206, 398320), (3640, 350828), (3664, 348530), (3830, 333424), (4580, 278824), (4979, 256480), (5362, 238160), (5954, 214480), (6128, 208390), (6412, 199160), (7280, 175414), (7328, 174265), (7660, 166712), (8015, 159328), (9160, 139412), (9958, 128240), (10724, 119080), (11908, 107240), (12256, 104195), (12824, 99580), (13405, 95264), (14560, 87707), (14885, 85792), (15320, 83356), (16030, 79664), (18320, 69706), (19916, 64120), (20839, 61280), (21448, 59540), (23816, 53620), (24895, 51296), (25648, 49790), (26810, 47632), (29770, 42896), (30640, 41678), (32060, 39832), (34853, 36640)]