720207872

素因数分解:

$2^{15}\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 1488955200

約数和(自身を除く): 768747328

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 709, 992, 1024, 1418, 1984, 2048, 2836, 3968, 4096, 5672, 7936, 8192, 11344, 15872, 16384, 21979, 22688, 31744, 32768, 43958, 45376, 63488, 87916, 90752, 126976, 175832, 181504, 253952, 351664, 363008, 507904, 703328, 726016, 1015808, 1406656, 1452032, 2813312, 2904064, 5626624, 5808128, 11253248, 11616256, 22506496, 23232512, 45012992, 90025984, 180051968, 360103936, 720207872]

約数ペア:

[(1, 720207872), (2, 360103936), (4, 180051968), (8, 90025984), (16, 45012992), (31, 23232512), (32, 22506496), (62, 11616256), (64, 11253248), (124, 5808128), (128, 5626624), (248, 2904064), (256, 2813312), (496, 1452032), (512, 1406656), (709, 1015808), (992, 726016), (1024, 703328), (1418, 507904), (1984, 363008), (2048, 351664), (2836, 253952), (3968, 181504), (4096, 175832), (5672, 126976), (7936, 90752), (8192, 87916), (11344, 63488), (15872, 45376), (16384, 43958), (21979, 32768), (22688, 31744)]