256182016

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1765

約数の個数: 72

約数和(自身を含む): 555968000

約数和(自身を除く): 299785984

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 589, 608, 992, 1178, 1216, 1699, 1984, 2356, 2432, 3398, 3968, 4712, 4864, 6796, 7936, 9424, 13592, 18848, 27184, 32281, 37696, 52669, 54368, 64562, 75392, 105338, 108736, 129124, 150784, 210676, 217472, 258248, 421352, 434944, 516496, 842704, 1000711, 1032992, 1685408, 2001422, 2065984, 3370816, 4002844, 4131968, 6741632, 8005688, 8263936, 13483264, 16011376, 32022752, 64045504, 128091008, 256182016]

約数ペア:

[(1, 256182016), (2, 128091008), (4, 64045504), (8, 32022752), (16, 16011376), (19, 13483264), (31, 8263936), (32, 8005688), (38, 6741632), (62, 4131968), (64, 4002844), (76, 3370816), (124, 2065984), (128, 2001422), (152, 1685408), (248, 1032992), (256, 1000711), (304, 842704), (496, 516496), (589, 434944), (608, 421352), (992, 258248), (1178, 217472), (1216, 210676), (1699, 150784), (1984, 129124), (2356, 108736), (2432, 105338), (3398, 75392), (3968, 64562), (4712, 54368), (4864, 52669), (6796, 37696), (7936, 32281), (9424, 27184), (13592, 18848)]