253897280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8719}}^1$

素因数の和:8756

約数の個数: 112

約数和(自身を含む): 744199680

約数和(自身を除く): 490302400

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, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 8719, 14560, 17438, 29120, 34876, 43595, 61033, 69752, 87190, 113347, 122066, 139504, 174380, 226694, 244132, 279008, 305165, 348760, 453388, 488264, 558016, 566735, 610330, 697520, 793429, 906776, 976528, 1133470, 1220660, 1395040, 1586858, 1813552, 1953056, 2266940, 2441320, 2790080, 3173716, 3627104, 3906112, 3967145, 4533880, 4882640, 6347432, 7254208, 7934290, 9067760, 9765280, 12694864, 15868580, 18135520, 19530560, 25389728, 31737160, 36271040, 50779456, 63474320, 126948640, 253897280]

約数ペア:

[(1, 253897280), (2, 126948640), (4, 63474320), (5, 50779456), (7, 36271040), (8, 31737160), (10, 25389728), (13, 19530560), (14, 18135520), (16, 15868580), (20, 12694864), (26, 9765280), (28, 9067760), (32, 7934290), (35, 7254208), (40, 6347432), (52, 4882640), (56, 4533880), (64, 3967145), (65, 3906112), (70, 3627104), (80, 3173716), (91, 2790080), (104, 2441320), (112, 2266940), (130, 1953056), (140, 1813552), (160, 1586858), (182, 1395040), (208, 1220660), (224, 1133470), (260, 976528), (280, 906776), (320, 793429), (364, 697520), (416, 610330), (448, 566735), (455, 558016), (520, 488264), (560, 453388), (728, 348760), (832, 305165), (910, 279008), (1040, 244132), (1120, 226694), (1456, 174380), (1820, 139504), (2080, 122066), (2240, 113347), (2912, 87190), (3640, 69752), (4160, 61033), (5824, 43595), (7280, 34876), (8719, 29120), (14560, 17438)]