290863440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19237}}^1$

素因数の和:19266

約数の個数: 160

約数和(自身を含む): 1145045760

約数和(自身を除く): 854182320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 19237, 38474, 57711, 76948, 96185, 115422, 134659, 153896, 173133, 192370, 230844, 269318, 288555, 307792, 346266, 384740, 403977, 461688, 519399, 538636, 577110, 673295, 692532, 769480, 807954, 865665, 923376, 1038798, 1077272, 1154220, 1211931, 1346590, 1385064, 1538960, 1615908, 1731330, 2019885, 2077596, 2154544, 2308440, 2423862, 2596995, 2693180, 2770128, 3231816, 3462660, 3635793, 4039770, 4155192, 4616880, 4847724, 5193990, 5386360, 6059655, 6463632, 6925320, 7271586, 8079540, 8310384, 9695448, 10387980, 10772720, 12119310, 13850640, 14543172, 16159080, 18178965, 19390896, 20775960, 24238620, 29086344, 32318160, 36357930, 41551920, 48477240, 58172688, 72715860, 96954480, 145431720, 290863440]

約数ペア:

[(1, 290863440), (2, 145431720), (3, 96954480), (4, 72715860), (5, 58172688), (6, 48477240), (7, 41551920), (8, 36357930), (9, 32318160), (10, 29086344), (12, 24238620), (14, 20775960), (15, 19390896), (16, 18178965), (18, 16159080), (20, 14543172), (21, 13850640), (24, 12119310), (27, 10772720), (28, 10387980), (30, 9695448), (35, 8310384), (36, 8079540), (40, 7271586), (42, 6925320), (45, 6463632), (48, 6059655), (54, 5386360), (56, 5193990), (60, 4847724), (63, 4616880), (70, 4155192), (72, 4039770), (80, 3635793), (84, 3462660), (90, 3231816), (105, 2770128), (108, 2693180), (112, 2596995), (120, 2423862), (126, 2308440), (135, 2154544), (140, 2077596), (144, 2019885), (168, 1731330), (180, 1615908), (189, 1538960), (210, 1385064), (216, 1346590), (240, 1211931), (252, 1154220), (270, 1077272), (280, 1038798), (315, 923376), (336, 865665), (360, 807954), (378, 769480), (420, 692532), (432, 673295), (504, 577110), (540, 538636), (560, 519399), (630, 461688), (720, 403977), (756, 384740), (840, 346266), (945, 307792), (1008, 288555), (1080, 269318), (1260, 230844), (1512, 192370), (1680, 173133), (1890, 153896), (2160, 134659), (2520, 115422), (3024, 96185), (3780, 76948), (5040, 57711), (7560, 38474), (15120, 19237)]