280667520

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6993

約数の個数: 192

約数和(自身を含む): 1107793440

約数和(自身を除く): 827125920

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, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 6961, 8064, 10080, 13440, 13922, 20160, 20883, 27844, 34805, 40320, 41766, 48727, 55688, 62649, 69610, 83532, 97454, 104415, 111376, 125298, 139220, 146181, 167064, 194908, 208830, 222752, 243635, 250596, 278440, 292362, 313245, 334128, 389816, 417660, 438543, 445504, 487270, 501192, 556880, 584724, 626490, 668256, 730905, 779632, 835320, 877086, 891008, 974540, 1002384, 1113760, 1169448, 1252980, 1336512, 1461810, 1559264, 1670640, 1754172, 1949080, 2004768, 2192715, 2227520, 2338896, 2505960, 2673024, 2923620, 3118528, 3341280, 3508344, 3898160, 4009536, 4385430, 4455040, 4677792, 5011920, 5847240, 6237056, 6682560, 7016688, 7796320, 8019072, 8770860, 9355584, 10023840, 11694480, 13365120, 14033376, 15592640, 17541720, 18711168, 20047680, 23388960, 28066752, 31185280, 35083440, 40095360, 46777920, 56133504, 70166880, 93555840, 140333760, 280667520]

約数ペア:

[(1, 280667520), (2, 140333760), (3, 93555840), (4, 70166880), (5, 56133504), (6, 46777920), (7, 40095360), (8, 35083440), (9, 31185280), (10, 28066752), (12, 23388960), (14, 20047680), (15, 18711168), (16, 17541720), (18, 15592640), (20, 14033376), (21, 13365120), (24, 11694480), (28, 10023840), (30, 9355584), (32, 8770860), (35, 8019072), (36, 7796320), (40, 7016688), (42, 6682560), (45, 6237056), (48, 5847240), (56, 5011920), (60, 4677792), (63, 4455040), (64, 4385430), (70, 4009536), (72, 3898160), (80, 3508344), (84, 3341280), (90, 3118528), (96, 2923620), (105, 2673024), (112, 2505960), (120, 2338896), (126, 2227520), (128, 2192715), (140, 2004768), (144, 1949080), (160, 1754172), (168, 1670640), (180, 1559264), (192, 1461810), (210, 1336512), (224, 1252980), (240, 1169448), (252, 1113760), (280, 1002384), (288, 974540), (315, 891008), (320, 877086), (336, 835320), (360, 779632), (384, 730905), (420, 668256), (448, 626490), (480, 584724), (504, 556880), (560, 501192), (576, 487270), (630, 445504), (640, 438543), (672, 417660), (720, 389816), (840, 334128), (896, 313245), (960, 292362), (1008, 278440), (1120, 250596), (1152, 243635), (1260, 222752), (1344, 208830), (1440, 194908), (1680, 167064), (1920, 146181), (2016, 139220), (2240, 125298), (2520, 111376), (2688, 104415), (2880, 97454), (3360, 83532), (4032, 69610), (4480, 62649), (5040, 55688), (5760, 48727), (6720, 41766), (6961, 40320), (8064, 34805), (10080, 27844), (13440, 20883), (13922, 20160)]