57064280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 161239680

約数和(自身を除く): 104175400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 182, 244, 257, 260, 280, 305, 364, 427, 455, 488, 514, 520, 610, 728, 793, 854, 910, 1028, 1220, 1285, 1586, 1708, 1799, 1820, 2056, 2135, 2440, 2570, 3172, 3341, 3416, 3598, 3640, 3965, 4270, 5140, 5551, 6344, 6682, 7196, 7930, 8540, 8995, 10280, 11102, 13364, 14392, 15677, 15860, 16705, 17080, 17990, 22204, 23387, 26728, 27755, 31354, 31720, 33410, 35980, 44408, 46774, 55510, 62708, 66820, 71960, 78385, 93548, 109739, 111020, 116935, 125416, 133640, 156770, 187096, 203801, 219478, 222040, 233870, 313540, 407602, 438956, 467740, 548695, 627080, 815204, 877912, 935480, 1019005, 1097390, 1426607, 1630408, 2038010, 2194780, 2853214, 4076020, 4389560, 5706428, 7133035, 8152040, 11412856, 14266070, 28532140, 57064280]

約数ペア:

[(1, 57064280), (2, 28532140), (4, 14266070), (5, 11412856), (7, 8152040), (8, 7133035), (10, 5706428), (13, 4389560), (14, 4076020), (20, 2853214), (26, 2194780), (28, 2038010), (35, 1630408), (40, 1426607), (52, 1097390), (56, 1019005), (61, 935480), (65, 877912), (70, 815204), (91, 627080), (104, 548695), (122, 467740), (130, 438956), (140, 407602), (182, 313540), (244, 233870), (257, 222040), (260, 219478), (280, 203801), (305, 187096), (364, 156770), (427, 133640), (455, 125416), (488, 116935), (514, 111020), (520, 109739), (610, 93548), (728, 78385), (793, 71960), (854, 66820), (910, 62708), (1028, 55510), (1220, 46774), (1285, 44408), (1586, 35980), (1708, 33410), (1799, 31720), (1820, 31354), (2056, 27755), (2135, 26728), (2440, 23387), (2570, 22204), (3172, 17990), (3341, 17080), (3416, 16705), (3598, 15860), (3640, 15677), (3965, 14392), (4270, 13364), (5140, 11102), (5551, 10280), (6344, 8995), (6682, 8540), (7196, 7930)]