1298872960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26357}}^1$

素因数の和:26394

約数の個数: 128

約数和(自身を含む): 3871463040

約数和(自身を除く): 2572590080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 6160, 7040, 9856, 12320, 24640, 26357, 49280, 52714, 105428, 131785, 184499, 210856, 263570, 289927, 368998, 421712, 527140, 579854, 737996, 843424, 922495, 1054280, 1159708, 1449635, 1475992, 1686848, 1844990, 2029489, 2108560, 2319416, 2899270, 2951984, 3373696, 3689980, 4058978, 4217120, 4638832, 5798540, 5903968, 7379960, 8117956, 8434240, 9277664, 10147445, 11597080, 11807936, 14759920, 16235912, 16868480, 18555328, 20294890, 23194160, 23615872, 29519840, 32471824, 37110656, 40589780, 46388320, 59039680, 64943648, 81179560, 92776640, 118079360, 129887296, 162359120, 185553280, 259774592, 324718240, 649436480, 1298872960]

約数ペア:

[(1, 1298872960), (2, 649436480), (4, 324718240), (5, 259774592), (7, 185553280), (8, 162359120), (10, 129887296), (11, 118079360), (14, 92776640), (16, 81179560), (20, 64943648), (22, 59039680), (28, 46388320), (32, 40589780), (35, 37110656), (40, 32471824), (44, 29519840), (55, 23615872), (56, 23194160), (64, 20294890), (70, 18555328), (77, 16868480), (80, 16235912), (88, 14759920), (110, 11807936), (112, 11597080), (128, 10147445), (140, 9277664), (154, 8434240), (160, 8117956), (176, 7379960), (220, 5903968), (224, 5798540), (280, 4638832), (308, 4217120), (320, 4058978), (352, 3689980), (385, 3373696), (440, 2951984), (448, 2899270), (560, 2319416), (616, 2108560), (640, 2029489), (704, 1844990), (770, 1686848), (880, 1475992), (896, 1449635), (1120, 1159708), (1232, 1054280), (1408, 922495), (1540, 843424), (1760, 737996), (2240, 579854), (2464, 527140), (3080, 421712), (3520, 368998), (4480, 289927), (4928, 263570), (6160, 210856), (7040, 184499), (9856, 131785), (12320, 105428), (24640, 52714), (26357, 49280)]