847233920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1400

約数の個数: 128

約数和(自身を含む): 2210544000

約数和(自身を除く): 1363310080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 158, 160, 208, 260, 316, 320, 395, 416, 520, 632, 640, 790, 832, 1027, 1040, 1264, 1289, 1580, 1664, 2054, 2080, 2528, 2578, 3160, 4108, 4160, 5056, 5135, 5156, 6320, 6445, 8216, 8320, 10112, 10270, 10312, 12640, 12890, 16432, 16757, 20540, 20624, 25280, 25780, 32864, 33514, 41080, 41248, 50560, 51560, 65728, 67028, 82160, 82496, 83785, 101831, 103120, 131456, 134056, 164320, 164992, 167570, 203662, 206240, 268112, 328640, 335140, 407324, 412480, 509155, 536224, 657280, 670280, 814648, 824960, 1018310, 1072448, 1323803, 1340560, 1629296, 2036620, 2144896, 2647606, 2681120, 3258592, 4073240, 5295212, 5362240, 6517184, 6619015, 8146480, 10590424, 10724480, 13034368, 13238030, 16292960, 21180848, 26476060, 32585920, 42361696, 52952120, 65171840, 84723392, 105904240, 169446784, 211808480, 423616960, 847233920]

約数ペア:

[(1, 847233920), (2, 423616960), (4, 211808480), (5, 169446784), (8, 105904240), (10, 84723392), (13, 65171840), (16, 52952120), (20, 42361696), (26, 32585920), (32, 26476060), (40, 21180848), (52, 16292960), (64, 13238030), (65, 13034368), (79, 10724480), (80, 10590424), (104, 8146480), (128, 6619015), (130, 6517184), (158, 5362240), (160, 5295212), (208, 4073240), (260, 3258592), (316, 2681120), (320, 2647606), (395, 2144896), (416, 2036620), (520, 1629296), (632, 1340560), (640, 1323803), (790, 1072448), (832, 1018310), (1027, 824960), (1040, 814648), (1264, 670280), (1289, 657280), (1580, 536224), (1664, 509155), (2054, 412480), (2080, 407324), (2528, 335140), (2578, 328640), (3160, 268112), (4108, 206240), (4160, 203662), (5056, 167570), (5135, 164992), (5156, 164320), (6320, 134056), (6445, 131456), (8216, 103120), (8320, 101831), (10112, 83785), (10270, 82496), (10312, 82160), (12640, 67028), (12890, 65728), (16432, 51560), (16757, 50560), (20540, 41248), (20624, 41080), (25280, 33514), (25780, 32864)]