71227520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1262

約数の個数: 128

約数和(自身を含む): 209744640

約数和(自身を除く): 138517120

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, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1223, 1456, 1664, 1820, 2080, 2240, 2446, 2912, 3640, 4160, 4480, 4892, 5824, 6115, 7280, 8320, 8561, 9784, 11648, 12230, 14560, 15899, 17122, 19568, 24460, 29120, 31798, 34244, 39136, 42805, 48920, 58240, 63596, 68488, 78272, 79495, 85610, 97840, 111293, 127192, 136976, 156544, 158990, 171220, 195680, 222586, 254384, 273952, 317980, 342440, 391360, 445172, 508768, 547904, 556465, 635960, 684880, 782720, 890344, 1017536, 1095808, 1112930, 1271920, 1369760, 1780688, 2035072, 2225860, 2543840, 2739520, 3561376, 4451720, 5087680, 5479040, 7122752, 8903440, 10175360, 14245504, 17806880, 35613760, 71227520]

約数ペア:

[(1, 71227520), (2, 35613760), (4, 17806880), (5, 14245504), (7, 10175360), (8, 8903440), (10, 7122752), (13, 5479040), (14, 5087680), (16, 4451720), (20, 3561376), (26, 2739520), (28, 2543840), (32, 2225860), (35, 2035072), (40, 1780688), (52, 1369760), (56, 1271920), (64, 1112930), (65, 1095808), (70, 1017536), (80, 890344), (91, 782720), (104, 684880), (112, 635960), (128, 556465), (130, 547904), (140, 508768), (160, 445172), (182, 391360), (208, 342440), (224, 317980), (260, 273952), (280, 254384), (320, 222586), (364, 195680), (416, 171220), (448, 158990), (455, 156544), (520, 136976), (560, 127192), (640, 111293), (728, 97840), (832, 85610), (896, 79495), (910, 78272), (1040, 68488), (1120, 63596), (1223, 58240), (1456, 48920), (1664, 42805), (1820, 39136), (2080, 34244), (2240, 31798), (2446, 29120), (2912, 24460), (3640, 19568), (4160, 17122), (4480, 15899), (4892, 14560), (5824, 12230), (6115, 11648), (7280, 9784), (8320, 8561)]