65578240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 193673088

約数和(自身を除く): 128094848

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 563, 640, 728, 832, 896, 910, 1040, 1120, 1126, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2252, 2815, 2912, 3328, 3640, 3941, 4160, 4480, 4504, 5630, 5824, 7280, 7319, 7882, 8320, 8960, 9008, 11260, 11648, 14560, 14638, 15764, 16640, 18016, 19705, 22520, 23296, 29120, 29276, 31528, 36032, 36595, 39410, 45040, 51233, 58240, 58552, 63056, 72064, 73190, 78820, 90080, 102466, 116480, 117104, 126112, 144128, 146380, 157640, 180160, 204932, 234208, 252224, 256165, 292760, 315280, 360320, 409864, 468416, 504448, 512330, 585520, 630560, 720640, 819728, 936832, 1008896, 1024660, 1171040, 1261120, 1639456, 1873664, 2049320, 2342080, 2522240, 3278912, 4098640, 4684160, 5044480, 6557824, 8197280, 9368320, 13115648, 16394560, 32789120, 65578240]

約数ペア:

[(1, 65578240), (2, 32789120), (4, 16394560), (5, 13115648), (7, 9368320), (8, 8197280), (10, 6557824), (13, 5044480), (14, 4684160), (16, 4098640), (20, 3278912), (26, 2522240), (28, 2342080), (32, 2049320), (35, 1873664), (40, 1639456), (52, 1261120), (56, 1171040), (64, 1024660), (65, 1008896), (70, 936832), (80, 819728), (91, 720640), (104, 630560), (112, 585520), (128, 512330), (130, 504448), (140, 468416), (160, 409864), (182, 360320), (208, 315280), (224, 292760), (256, 256165), (260, 252224), (280, 234208), (320, 204932), (364, 180160), (416, 157640), (448, 146380), (455, 144128), (520, 126112), (560, 117104), (563, 116480), (640, 102466), (728, 90080), (832, 78820), (896, 73190), (910, 72064), (1040, 63056), (1120, 58552), (1126, 58240), (1280, 51233), (1456, 45040), (1664, 39410), (1792, 36595), (1820, 36032), (2080, 31528), (2240, 29276), (2252, 29120), (2815, 23296), (2912, 22520), (3328, 19705), (3640, 18016), (3941, 16640), (4160, 15764), (4480, 14638), (4504, 14560), (5630, 11648), (5824, 11260), (7280, 9008), (7319, 8960), (7882, 8320)]