280090720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19237}}^1$

素因数の和:19272

約数の個数: 96

約数和(自身を含む): 814459968

約数和(自身を除く): 534369248

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, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 19237, 38474, 76948, 96185, 134659, 153896, 192370, 250081, 269318, 307792, 384740, 500162, 538636, 615584, 673295, 769480, 1000324, 1077272, 1250405, 1346590, 1538960, 1750567, 2000648, 2154544, 2500810, 2693180, 3077920, 3501134, 4001296, 4309088, 5001620, 5386360, 7002268, 8002592, 8752835, 10003240, 10772720, 14004536, 17505670, 20006480, 21545440, 28009072, 35011340, 40012960, 56018144, 70022680, 140045360, 280090720]

約数ペア:

[(1, 280090720), (2, 140045360), (4, 70022680), (5, 56018144), (7, 40012960), (8, 35011340), (10, 28009072), (13, 21545440), (14, 20006480), (16, 17505670), (20, 14004536), (26, 10772720), (28, 10003240), (32, 8752835), (35, 8002592), (40, 7002268), (52, 5386360), (56, 5001620), (65, 4309088), (70, 4001296), (80, 3501134), (91, 3077920), (104, 2693180), (112, 2500810), (130, 2154544), (140, 2000648), (160, 1750567), (182, 1538960), (208, 1346590), (224, 1250405), (260, 1077272), (280, 1000324), (364, 769480), (416, 673295), (455, 615584), (520, 538636), (560, 500162), (728, 384740), (910, 307792), (1040, 269318), (1120, 250081), (1456, 192370), (1820, 153896), (2080, 134659), (2912, 96185), (3640, 76948), (7280, 38474), (14560, 19237)]