1279897920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{63487}}^1$

素因数の和:63517

約数の個数: 168

約数和(自身を含む): 5031297024

約数和(自身を除く): 3751399104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 63487, 126974, 190461, 253948, 317435, 380922, 444409, 507896, 571383, 634870, 761844, 888818, 952305, 1015792, 1142766, 1269740, 1333227, 1523688, 1777636, 1904610, 2031584, 2222045, 2285532, 2539480, 2666454, 2856915, 3047376, 3555272, 3809220, 3999681, 4063168, 4444090, 4571064, 5078960, 5332908, 5713830, 6094752, 6666135, 7110544, 7618440, 7999362, 8888180, 9142128, 10157920, 10665816, 11427660, 12189504, 13332270, 14221088, 15236880, 15998724, 17776360, 18284256, 19998405, 20315840, 21331632, 22855320, 26664540, 28442176, 30473760, 31997448, 35552720, 36568512, 39996810, 42663264, 45710640, 53329080, 60947520, 63994896, 71105440, 79993620, 85326528, 91421280, 106658160, 127989792, 142210880, 159987240, 182842560, 213316320, 255979584, 319974480, 426632640, 639948960, 1279897920]

約数ペア:

[(1, 1279897920), (2, 639948960), (3, 426632640), (4, 319974480), (5, 255979584), (6, 213316320), (7, 182842560), (8, 159987240), (9, 142210880), (10, 127989792), (12, 106658160), (14, 91421280), (15, 85326528), (16, 79993620), (18, 71105440), (20, 63994896), (21, 60947520), (24, 53329080), (28, 45710640), (30, 42663264), (32, 39996810), (35, 36568512), (36, 35552720), (40, 31997448), (42, 30473760), (45, 28442176), (48, 26664540), (56, 22855320), (60, 21331632), (63, 20315840), (64, 19998405), (70, 18284256), (72, 17776360), (80, 15998724), (84, 15236880), (90, 14221088), (96, 13332270), (105, 12189504), (112, 11427660), (120, 10665816), (126, 10157920), (140, 9142128), (144, 8888180), (160, 7999362), (168, 7618440), (180, 7110544), (192, 6666135), (210, 6094752), (224, 5713830), (240, 5332908), (252, 5078960), (280, 4571064), (288, 4444090), (315, 4063168), (320, 3999681), (336, 3809220), (360, 3555272), (420, 3047376), (448, 2856915), (480, 2666454), (504, 2539480), (560, 2285532), (576, 2222045), (630, 2031584), (672, 1904610), (720, 1777636), (840, 1523688), (960, 1333227), (1008, 1269740), (1120, 1142766), (1260, 1015792), (1344, 952305), (1440, 888818), (1680, 761844), (2016, 634870), (2240, 571383), (2520, 507896), (2880, 444409), (3360, 380922), (4032, 317435), (5040, 253948), (6720, 190461), (10080, 126974), (20160, 63487)]