618373120

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 112

約数和(自身を含む): 1535021568

約数和(自身を除く): 916648448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 487, 496, 512, 620, 640, 974, 992, 1024, 1240, 1280, 1948, 1984, 2048, 2435, 2480, 2560, 3896, 3968, 4096, 4870, 4960, 5120, 7792, 7936, 8192, 9740, 9920, 10240, 15097, 15584, 15872, 19480, 19840, 20480, 30194, 31168, 31744, 38960, 39680, 40960, 60388, 62336, 63488, 75485, 77920, 79360, 120776, 124672, 126976, 150970, 155840, 158720, 241552, 249344, 253952, 301940, 311680, 317440, 483104, 498688, 603880, 623360, 634880, 966208, 997376, 1207760, 1246720, 1269760, 1932416, 1994752, 2415520, 2493440, 3864832, 3989504, 4831040, 4986880, 7729664, 9662080, 9973760, 15459328, 19324160, 19947520, 30918656, 38648320, 61837312, 77296640, 123674624, 154593280, 309186560, 618373120]

約数ペア:

[(1, 618373120), (2, 309186560), (4, 154593280), (5, 123674624), (8, 77296640), (10, 61837312), (16, 38648320), (20, 30918656), (31, 19947520), (32, 19324160), (40, 15459328), (62, 9973760), (64, 9662080), (80, 7729664), (124, 4986880), (128, 4831040), (155, 3989504), (160, 3864832), (248, 2493440), (256, 2415520), (310, 1994752), (320, 1932416), (487, 1269760), (496, 1246720), (512, 1207760), (620, 997376), (640, 966208), (974, 634880), (992, 623360), (1024, 603880), (1240, 498688), (1280, 483104), (1948, 317440), (1984, 311680), (2048, 301940), (2435, 253952), (2480, 249344), (2560, 241552), (3896, 158720), (3968, 155840), (4096, 150970), (4870, 126976), (4960, 124672), (5120, 120776), (7792, 79360), (7936, 77920), (8192, 75485), (9740, 63488), (9920, 62336), (10240, 60388), (15097, 40960), (15584, 39680), (15872, 38960), (19480, 31744), (19840, 31168), (20480, 30194)]